Unilineal evolution
Encyclopedia
Unilineal evolution is a 19th century social theory
Social theory
Social theories are theoretical frameworks which are used to study and interpret social phenomena within a particular school of thought. An essential tool used by social scientists, theories relate to historical debates over the most valid and reliable methodologies , as well as the primacy of...

 about the evolution of societies and culture
Culture
Culture is a term that has many different inter-related meanings. For example, in 1952, Alfred Kroeber and Clyde Kluckhohn compiled a list of 164 definitions of "culture" in Culture: A Critical Review of Concepts and Definitions...

s. It was composed of many competing theories by various sociologists and anthropologists, who believed that Western culture
Western culture
Western culture, sometimes equated with Western civilization or European civilization, refers to cultures of European origin and is used very broadly to refer to a heritage of social norms, ethical values, traditional customs, religious beliefs, political systems, and specific artifacts and...

 is the contemporary pinnacle of social evolution. Different social status is aligned in a single line that moves from most primitive to most civilized. This theory is now generally considered obsolete in academic circles.

Intellectual Thought

Theories of social and cultural evolution are common in modern European thought. Prior to the 18th century, Europeans predominantly believed that societies on Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 were in a state of decline. European society held up the world of antiquity
Classical antiquity
Classical antiquity is a broad term for a long period of cultural history centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome, collectively known as the Greco-Roman world...

 as a standard to aspire to, and Ancient Greece
Ancient Greece
Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 and Ancient Rome
Ancient Rome
Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

 produced levels of technical accomplishment which Europeans of the Middle Ages
Middle Ages
The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

 sought to emulate. At the same time, Christianity
Christianity
Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 taught that people lived in a debased world fundamentally inferior to the Garden of Eden
Garden of Eden
The Garden of Eden is in the Bible's Book of Genesis as being the place where the first man, Adam, and his wife, Eve, lived after they were created by God. Literally, the Bible speaks about a garden in Eden...

 and Heaven
Heaven
Heaven, the Heavens or Seven Heavens, is a common religious cosmological or metaphysical term for the physical or transcendent place from which heavenly beings originate, are enthroned or inhabit...

. During the Age of Enlightenment
Age of Enlightenment
The Age of Enlightenment was an elite cultural movement of intellectuals in 18th century Europe that sought to mobilize the power of reason in order to reform society and advance knowledge. It promoted intellectual interchange and opposed intolerance and abuses in church and state...

, however, European self-confidence grew and the notion of progress became increasingly popular. It was during this period that what would later become known as 'sociological and cultural evolution' would have its roots.

The Enlightenment thinkers often speculated that societies progressed through stages of increasing development and looked for the logic
Logic
In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

, order and the set of scientific truths that determined the course of human history. Georg Wilhelm Friedrich Hegel
Georg Wilhelm Friedrich Hegel
Georg Wilhelm Friedrich Hegel was a German philosopher, one of the creators of German Idealism. His historicist and idealist account of reality as a whole revolutionized European philosophy and was an important precursor to Continental philosophy and Marxism.Hegel developed a comprehensive...

, for example, argued that social development was an inevitable and determined process, similar to an acorn
Acorn
The acorn, or oak nut, is the nut of the oaks and their close relatives . It usually contains a single seed , enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. Acorns vary from 1–6 cm long and 0.8–4 cm broad...

 which has no choice but to become an oak tree. Likewise, it was assumed that societies start out primitive, perhaps in a Hobbesian
Thomas Hobbes
Thomas Hobbes of Malmesbury , in some older texts Thomas Hobbs of Malmsbury, was an English philosopher, best known today for his work on political philosophy...

 state of nature
State of nature
State of nature is a term in political philosophy used in social contract theories to describe the hypothetical condition that preceded governments...

, and naturally progress toward something resembling industrial
Industrial society
In sociology, industrial society refers to a society driven by the use of technology to enable mass production, supporting a large population with a high capacity for division of labour. Such a structure developed in the west in the period of time following the Industrial Revolution, and replaced...

 Europe.

Scottish Thinkers

While earlier authors such as Michel de Montaigne
Michel de Montaigne
Lord Michel Eyquem de Montaigne , February 28, 1533 – September 13, 1592, was one of the most influential writers of the French Renaissance, known for popularising the essay as a literary genre and is popularly thought of as the father of Modern Skepticism...

 discussed how societies change through time, it was truly the Scottish Enlightenment
Scottish Enlightenment
The Scottish Enlightenment was the period in 18th century Scotland characterised by an outpouring of intellectual and scientific accomplishments. By 1750, Scots were among the most literate citizens of Europe, with an estimated 75% level of literacy...

 which proved key in the development of cultural evolution. After Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

's union with England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 in 1707, several Scottish thinkers pondered on the relationship between progress and the 'decadence' brought about by increased trade with England and the affluence it produced. The result was a series of 'conjectural histories.' Authors such as Adam Ferguson
Adam Ferguson
Adam Ferguson FRSE, also known as Ferguson of Raith was a Scottish philosopher, social scientist and historian of the Scottish Enlightenment...

, John Millar, and Adam Smith
Adam Smith
Adam Smith was a Scottish social philosopher and a pioneer of political economy. One of the key figures of the Scottish Enlightenment, Smith is the author of The Theory of Moral Sentiments and An Inquiry into the Nature and Causes of the Wealth of Nations...

 argued that all societies pass through a series of four stages: hunting and gathering, pastoralism and nomadism, agricultural, and finally a stage of commerce
Commerce
While business refers to the value-creating activities of an organization for profit, commerce means the whole system of an economy that constitutes an environment for business. The system includes legal, economic, political, social, cultural, and technological systems that are in operation in any...

. These thinkers thus understood the changes Scotland was undergoing as a transition from an agricultural to a mercantile society.

Philosophical concepts of progress (such as those expounded by the German philosopher G.W.F. Hegel) developed as well during this period. In France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 authors such as Claude Adrien Helvétius
Claude Adrien Helvétius
Claude Adrien Helvétius was a French philosopher and littérateur.-Life:...

 and other philosophers were influenced by this Scottish tradition. Later thinkers such as Comte de Saint-Simon
Claude Henri de Rouvroy, comte de Saint-Simon
Claude Henri de Rouvroy, comte de Saint-Simon, often referred to as Henri de Saint-Simon was a French early socialist theorist whose thought influenced the foundations of various 19th century philosophies; perhaps most notably Marxism, positivism and the discipline of sociology...

 developed these ideas. Auguste Comte
Auguste Comte
Isidore Auguste Marie François Xavier Comte , better known as Auguste Comte , was a French philosopher, a founder of the discipline of sociology and of the doctrine of positivism...

 in particular presented a coherent view of social progress and a new discipline to study it -- sociology
Sociology
Sociology is the study of society. It is a social science—a term with which it is sometimes synonymous—which uses various methods of empirical investigation and critical analysis to develop a body of knowledge about human social activity...

.

Rising Interests

These developments took place in a wider context. The first process was colonialism
Colonialism
Colonialism is the establishment, maintenance, acquisition and expansion of colonies in one territory by people from another territory. It is a process whereby the metropole claims sovereignty over the colony and the social structure, government, and economics of the colony are changed by...

. Although Imperial powers settled most differences of opinion with their colonial subjects with force, increased awareness of non-Western peoples raised new questions for European scholars about the nature of society and culture. Similarly, effective administration
Public administration
Public Administration houses the implementation of government policy and an academic discipline that studies this implementation and that prepares civil servants for this work. As a "field of inquiry with a diverse scope" its "fundamental goal.....

 required some degree of understanding of other cultures. Emerging theories of social evolution
Social evolution
Social evolution is a subdiscipline of evolutionary biology that is concerned with social behaviors that have fitness consequences for individuals other than the actor...

 allowed Europeans to organize their new knowledge in a way that reflected and justified their increasing political and economic domination of others: colonized people were less-evolved, colonizing people were more evolved. The second process was the Industrial Revolution
Industrial Revolution
The Industrial Revolution was a period from the 18th to the 19th century where major changes in agriculture, manufacturing, mining, transportation, and technology had a profound effect on the social, economic and cultural conditions of the times...

 and the rise of capitalism
Capitalism
Capitalism is an economic system that became dominant in the Western world following the demise of feudalism. There is no consensus on the precise definition nor on how the term should be used as a historical category...

 which allowed and promoted continual revolutions in the means of production
Means of production
Means of production refers to physical, non-human inputs used in production—the factories, machines, and tools used to produce wealth — along with both infrastructural capital and natural capital. This includes the classical factors of production minus financial capital and minus human capital...

. Emerging theories of social evolution reflected a belief that the changes in Europe wrought by the Industrial Revolution and capitalism were obvious improvements. Industrialization, combined with the intense political change brought about by the French Revolution
French Revolution
The French Revolution , sometimes distinguished as the 'Great French Revolution' , was a period of radical social and political upheaval in France and Europe. The absolute monarchy that had ruled France for centuries collapsed in three years...

, US Constitution and Polish Constitution of May 3, 1791
Constitution of May 3, 1791
The Constitution of May 3, 1791 was adopted as a "Government Act" on that date by the Sejm of the Polish–Lithuanian Commonwealth. Historian Norman Davies calls it "the first constitution of its type in Europe"; other scholars also refer to it as the world's second oldest constitution...

, which were paving the way for the dominance of democracy
History of democracy
The history of democracy traces back to Athens to its re-emergence and rise from the 17th century to the present day. According to one definition, democracy is a political system in which all the members of the society have an equal share of formal political power...

, forced European thinkers to reconsider some of their assumptions about how society was organized.

Eventually, in the 19th century three great, classical theories of social and historical change were created: the social evolutionism
Evolutionism
Evolutionism refers to the biological concept of evolution, specifically to a widely held 19th century belief that organisms are intrinsically bound to increase in complexity. The belief was extended to include cultural evolution and social evolution...

 theory, the social cycle theory and the Marxist historical materialism
Historical materialism
Historical materialism is a methodological approach to the study of society, economics, and history, first articulated by Karl Marx as "the materialist conception of history". Historical materialism looks for the causes of developments and changes in human society in the means by which humans...

 theory. Those theories had one common factor: they all agreed that the history of humanity is pursuing a certain fixed path, most likely that of the social progress
Social progress
Social progress is the idea that societies can or do improve in terms of their social, political, and economic structures. This may happen as a result of direct human action, as in social enterprise or through social activism, or as a natural part of sociocultural evolution...

. Thus, each past event is not only chronologically, but causally tied to the present and future events. Those theories postulated that by recreating the sequence of those events, sociology could discover the Laws of history.

Birth and Development of Unilineal Classical Social Evolutionism

While social evolutionists agree that the evolution-like process leads to the social progress
Social progress
Social progress is the idea that societies can or do improve in terms of their social, political, and economic structures. This may happen as a result of direct human action, as in social enterprise or through social activism, or as a natural part of sociocultural evolution...

, classical social evolutionists have developed many different theories, known as theories of unilineal evolution. Social evolutionism was the prevailing theory of early socio-cultural anthropology and social commentary
Social commentary
Social commentary is the act of rebelling against an individual, or a group of people by rhetorical means, or commentary on social issues or society...

, and is associated with scholars like Auguste Comte
Auguste Comte
Isidore Auguste Marie François Xavier Comte , better known as Auguste Comte , was a French philosopher, a founder of the discipline of sociology and of the doctrine of positivism...

, Edward Burnett Tylor
Edward Burnett Tylor
Sir Edward Burnett Tylor , was an English anthropologist.Tylor is representative of cultural evolutionism. In his works Primitive Culture and Anthropology, he defined the context of the scientific study of anthropology, based on the evolutionary theories of Charles Lyell...

, Lewis Henry Morgan, and Herbert Spencer
Herbert Spencer
Herbert Spencer was an English philosopher, biologist, sociologist, and prominent classical liberal political theorist of the Victorian era....

. Social evolutionism represented an attempt to formalize social thinking along scientific lines, later influenced by the biological theory of evolution
Evolution
Evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.Life on Earth...

. If organisms could develop over time according to discernible, deterministic laws, then it seemed reasonable that societies could as well. This really marks the beginning of Anthropology as a scientific discipline and a departure from traditional religious views of "primitive" cultures.

The term "Classical Social Evolutionism" is most closely associated with the 19th century writings of Auguste Comte
Auguste Comte
Isidore Auguste Marie François Xavier Comte , better known as Auguste Comte , was a French philosopher, a founder of the discipline of sociology and of the doctrine of positivism...

, Herbert Spencer
Herbert Spencer
Herbert Spencer was an English philosopher, biologist, sociologist, and prominent classical liberal political theorist of the Victorian era....

 (who coined the phrase "survival of the fittest
Survival of the fittest
"Survival of the fittest" is a phrase originating in evolutionary theory, as an alternative description of Natural selection. The phrase is today commonly used in contexts that are incompatible with the original meaning as intended by its first two proponents: British polymath philosopher Herbert...

") and William Graham Sumner
William Graham Sumner
William Graham Sumner was an American academic and "held the first professorship in sociology" at Yale College. For many years he had a reputation as one of the most influential teachers there. He was a polymath with numerous books and essays on American history, economic history, political...

. In many ways Spencer's theory of 'cosmic evolution' has much more in common with the works of Jean-Baptiste Lamarck
Jean-Baptiste Lamarck
Jean-Baptiste Pierre Antoine de Monet, Chevalier de la Marck , often known simply as Lamarck, was a French naturalist...

 and Auguste Comte than with contemporary works of Charles Darwin
Charles Darwin
Charles Robert Darwin FRS was an English naturalist. He established that all species of life have descended over time from common ancestry, and proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection.He published his theory...

. Spencer also developed and published his theories several years earlier than Darwin. In regard to social institutions, however, there is a good case that Spencer's writings might be classified as 'Social Evolutionism'. Although he wrote that societies over time progressed, and that progress was accomplished through competition, he stressed that the individual
Individual
An individual is a person or any specific object or thing in a collection. Individuality is the state or quality of being an individual; a person separate from other persons and possessing his or her own needs, goals, and desires. Being self expressive...

 (rather than the collectivity) is the unit of analysis that evolves, that evolution takes place through natural selection and that it affects social as well as biological phenomenon.

Progressivism

Both Spencer and Comte view the society as a kind of organism subject to the process of growth - from simplicity to complexity, from chaos to order, from generalisation to specialisation, from flexibility to organisation. They agreed that the process of societies growth can be divided into certain stages, have their beginning and eventual end, and that this growth is in fact social progress
Social progress
Social progress is the idea that societies can or do improve in terms of their social, political, and economic structures. This may happen as a result of direct human action, as in social enterprise or through social activism, or as a natural part of sociocultural evolution...

 - each newer, more evolved society is better. Thus progressivism
Progressivism
Progressivism is an umbrella term for a political ideology advocating or favoring social, political, and economic reform or changes. Progressivism is often viewed by some conservatives, constitutionalists, and libertarians to be in opposition to conservative or reactionary ideologies.The...

 became one of the basic ideas underlying the theory of social evolutionismassws.

Comte

Auguste Comte
Auguste Comte
Isidore Auguste Marie François Xavier Comte , better known as Auguste Comte , was a French philosopher, a founder of the discipline of sociology and of the doctrine of positivism...

, known as father of sociology, formulated the law of three stages
Law of three stages
The Law of Three Stages is an idea developed by Auguste Comte. It states that society as a whole, and each particular science, develops through three mentally conceived stages: the theological stage, the metaphysical stage, and the positive stage....

: human development progresses from the theological
Theology
Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in religious studies, usually at a university or school of divinity or seminary.-Definition:Augustine of Hippo...

 stage, in which nature was mythically conceived and man sought the explanation of natural phenomena from supernatural beings, through metaphysical stage
Metaphysics
Metaphysics is a branch of philosophy concerned with explaining the fundamental nature of being and the world, although the term is not easily defined. Traditionally, metaphysics attempts to answer two basic questions in the broadest possible terms:...

 in which nature was conceived of as a result of obscure forces and man sought the explanation of natural phenomena from them until the final positive stage in which all abstract and obscure forces are discarded, and natural phenomena are explained by their constant relationship. This progress is forced through the development of human mind, and increasing application of thought, reasoning and logic to the understanding of world.

Spencer

Herbert Spencer
Herbert Spencer
Herbert Spencer was an English philosopher, biologist, sociologist, and prominent classical liberal political theorist of the Victorian era....

, who believed that society was evolving toward increasing freedom for individuals; and so held that government intervention, ought to be minimal in social and political life, differentiated between two phases of development, focusing is on the type of internal regulation within societies. Thus he differentiated between military
Military
A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 and industrial
Industry
Industry refers to the production of an economic good or service within an economy.-Industrial sectors:There are four key industrial economic sectors: the primary sector, largely raw material extraction industries such as mining and farming; the secondary sector, involving refining, construction,...

 societies. The earlier, more primitive military society has a goal of conquest and defence
Defense (military)
Defense has several uses in the sphere of military application.Personal defense implies measures taken by individual soldiers in protecting themselves whether by use of protective materials such as armor, or field construction of trenches or a bunker, or by using weapons that prevent the enemy...

, is centralised, economically
Economy
An economy consists of the economic system of a country or other area; the labor, capital and land resources; and the manufacturing, trade, distribution, and consumption of goods and services of that area...

 self-sufficient, collectivistic
Collective
A collective is a group of entities that share or are motivated by at least one common issue or interest, or work together on a specific project to achieve a common objective...

, puts the good of a group over the good of an individual, uses compulsion, force and repression, rewards loyalty, obedience and discipline. The industrial society has a goal of production
Manufacturing
Manufacturing is the use of machines, tools and labor to produce goods for use or sale. The term may refer to a range of human activity, from handicraft to high tech, but is most commonly applied to industrial production, in which raw materials are transformed into finished goods on a large scale...

 and trade
Trade
Trade is the transfer of ownership of goods and services from one person or entity to another. Trade is sometimes loosely called commerce or financial transaction or barter. A network that allows trade is called a market. The original form of trade was barter, the direct exchange of goods and...

, is decentralised
Décentralisation
Décentralisation is a french word for both a policy concept in French politics from 1968-1990, and a term employed to describe the results of observations of the evolution of spatial economic and institutional organization of France....

, interconnected with other societies via economic relations, achieves its goals through voluntary cooperation and individual self-restraint, treats the good of individual as the highest value, regulates the social life via voluntary relations, and values initiative, independence and innovation.

Regardless of how scholars of Spencer interpret his relation to Darwin, Spencer proved to be an incredibly popular figure in the 1870s, particularly in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Authors such as Edward L. Youmans
Edward L. Youmans
Edward Livingston Youmans was an American scientific writer, editor, and lecturer and founder of Popular Science magazine.-Biography:...

, William Graham Sumner
William Graham Sumner
William Graham Sumner was an American academic and "held the first professorship in sociology" at Yale College. For many years he had a reputation as one of the most influential teachers there. He was a polymath with numerous books and essays on American history, economic history, political...

, John Fiske, John W. Burgess, Lester Frank Ward
Lester Frank Ward
Lester F. Ward was an American botanist, paleontologist, and sociologist. He served as the first president of the American Sociological Association.-Biography:...

, Lewis H. Morgan
Lewis H. Morgan
Lewis Henry Morgan was a pioneering American anthropologist and social theorist, a railroad lawyer and capitalist. He is best known for his work on kinship and social structure, his theories of social evolution, and his ethnography of the Iroquois...

 and other thinkers of the gilded age
Gilded Age
In United States history, the Gilded Age refers to the era of rapid economic and population growth in the United States during the post–Civil War and post-Reconstruction eras of the late 19th century. The term "Gilded Age" was coined by Mark Twain and Charles Dudley Warner in their book The Gilded...

 all developed theories of social evolutionism as a result of their exposure to Spencer as well as Darwin.

Morgan

Lewis H. Morgan
Lewis H. Morgan
Lewis Henry Morgan was a pioneering American anthropologist and social theorist, a railroad lawyer and capitalist. He is best known for his work on kinship and social structure, his theories of social evolution, and his ethnography of the Iroquois...

, an anthropologist
Anthropology
Anthropology is the study of humanity. It has origins in the humanities, the natural sciences, and the social sciences. The term "anthropology" is from the Greek anthrōpos , "man", understood to mean mankind or humanity, and -logia , "discourse" or "study", and was first used in 1501 by German...

 whose ideas have had much impact on sociology, in his 1877 classic "Ancient Societies" differentiated between three eras: savagery, barbarism
Barbarian
Barbarian and savage are terms used to refer to a person who is perceived to be uncivilized. The word is often used either in a general reference to a member of a nation or ethnos, typically a tribal society as seen by an urban civilization either viewed as inferior, or admired as a noble savage...

 and civilisation, which are divided by technological inventions, like fire
Fire
Fire is the rapid oxidation of a material in the chemical process of combustion, releasing heat, light, and various reaction products. Slower oxidative processes like rusting or digestion are not included by this definition....

, bow
Bow (weapon)
The bow and arrow is a projectile weapon system that predates recorded history and is common to most cultures.-Description:A bow is a flexible arc that shoots aerodynamic projectiles by means of elastic energy. Essentially, the bow is a form of spring powered by a string or cord...

, pottery
Pottery
Pottery is the material from which the potteryware is made, of which major types include earthenware, stoneware and porcelain. The place where such wares are made is also called a pottery . Pottery also refers to the art or craft of the potter or the manufacture of pottery...

 in savage era, domestication of animals, agriculture
Agriculture
Agriculture is the cultivation of animals, plants, fungi and other life forms for food, fiber, and other products used to sustain life. Agriculture was the key implement in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the...

, metalworking
Metalworking
Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts and delicate jewelry. It therefore includes a correspondingly wide range of skills,...

 in barbarian era and alphabet
Alphabet
An alphabet is a standard set of letters—basic written symbols or graphemes—each of which represents a phoneme in a spoken language, either as it exists now or as it was in the past. There are other systems, such as logographies, in which each character represents a word, morpheme, or semantic...

 and writing
Writing
Writing is the representation of language in a textual medium through the use of a set of signs or symbols . It is distinguished from illustration, such as cave drawing and painting, and non-symbolic preservation of language via non-textual media, such as magnetic tape audio.Writing most likely...

 in civilisation era. Thus Morgan introduced a link between the social progress
Social progress
Social progress is the idea that societies can or do improve in terms of their social, political, and economic structures. This may happen as a result of direct human action, as in social enterprise or through social activism, or as a natural part of sociocultural evolution...

 and technological progress. Morgan viewed the technological progress as a force behind social progress, and any social change
Social change
Social change refers to an alteration in the social order of a society. It may refer to the notion of social progress or sociocultural evolution, the philosophical idea that society moves forward by dialectical or evolutionary means. It may refer to a paradigmatic change in the socio-economic...

 - in social institutions, organisations or ideologies have their beginning in the change of technology. Morgan's theories were popularised by Friedrich Engels
Friedrich Engels
Friedrich Engels was a German industrialist, social scientist, author, political theorist, philosopher, and father of Marxist theory, alongside Karl Marx. In 1845 he published The Condition of the Working Class in England, based on personal observations and research...

, who based his famous work "The Origin of the Family, Private Property and the State" on it. For Engels and other marxists, this theory was important as it supported their conviction that materialistic factors - economical and technological - are decisive in shaping the fate of humanity.

Durkheim

Émile Durkheim
Émile Durkheim
David Émile Durkheim was a French sociologist. He formally established the academic discipline and, with Karl Marx and Max Weber, is commonly cited as the principal architect of modern social science and father of sociology.Much of Durkheim's work was concerned with how societies could maintain...

, another of the 'fathers' of sociology, has developed a similar, dichotomical
Dichotomy
A dichotomy is any splitting of a whole into exactly two non-overlapping parts, meaning it is a procedure in which a whole is divided into two parts...

 view of social progress. His key concept was social solidarity, as he defined the social evolution in terms of progressing from mechanical solidarity to organic solidarity. In mechanical solidarity, people are self-sufficient, there is little integration and thus there is the need for use of force and repression to keep society together. In organic solidarity, people are much more integrated and interdependent and specialisation and cooperation is extensive. Progress from mechanical to organic solidarity is based first on population growth
Population growth
Population growth is the change in a population over time, and can be quantified as the change in the number of individuals of any species in a population using "per unit time" for measurement....

 and increasing population density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

, second on increasing 'morality density' (development of more complex social interactions) and thirdly, on the increasing specialisation in workplace. To Durkheim, the most important factor in the social progress is the division of labor.

Tylor & Morgan

Anthropologists
Anthropology
Anthropology is the study of humanity. It has origins in the humanities, the natural sciences, and the social sciences. The term "anthropology" is from the Greek anthrōpos , "man", understood to mean mankind or humanity, and -logia , "discourse" or "study", and was first used in 1501 by German...

 Sir E.B. Tylor
Edward Burnett Tylor
Sir Edward Burnett Tylor , was an English anthropologist.Tylor is representative of cultural evolutionism. In his works Primitive Culture and Anthropology, he defined the context of the scientific study of anthropology, based on the evolutionary theories of Charles Lyell...

 in England and Lewis Henry Morgan in the United States worked with data from indigenous people, whom they claimed represented earlier stages of cultural evolution that gave insight into the process and progression of cultural evolution. Morgan would later have a significant influence on Karl Marx
Karl Marx
Karl Heinrich Marx was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist. His ideas played a significant role in the development of social science and the socialist political movement...

 and Friedrich Engels
Friedrich Engels
Friedrich Engels was a German industrialist, social scientist, author, political theorist, philosopher, and father of Marxist theory, alongside Karl Marx. In 1845 he published The Condition of the Working Class in England, based on personal observations and research...

, who developed a theory of cultural evolution in which the internal contradictions in society created a series of escalating stages that ended in a socialist society (see Marxism
Marxism
Marxism is an economic and sociopolitical worldview and method of socioeconomic inquiry that centers upon a materialist interpretation of history, a dialectical view of social change, and an analysis and critique of the development of capitalism. Marxism was pioneered in the early to mid 19th...

). Tylor and Morgan elaborated upon, modified and expanded the theory of unilinear evolution, specifying criteria for categorizing cultures according to their standing within a fixed system of growth of humanity as a whole while examining the modes and mechanisms of this growth.

Their analysis of cross-cultural data was based on three assumptions:
  1. contemporary societies may be classified and ranked as more "primitive" or more "civilized;"
  2. There are a determinate number of stages between "primitive" and "civilized" (e.g. band
    Band society
    A band society is the simplest form of human society. A band generally consists of a small kin group, no larger than an extended family or clan; it has been defined as consisting of no more than 30 to 50 individuals.Bands have a loose organization...

    , tribe
    Tribe
    A tribe, viewed historically or developmentally, consists of a social group existing before the development of, or outside of, states.Many anthropologists use the term tribal society to refer to societies organized largely on the basis of kinship, especially corporate descent groups .Some theorists...

    , chiefdom
    Chiefdom
    A chiefdom is a political economy that organizes regional populations through a hierarchy of the chief.In anthropological theory, one model of human social development rooted in ideas of cultural evolution describes a chiefdom as a form of social organization more complex than a tribe or a band...

    , and state
    State (polity)
    A state is an organized political community, living under a government. States may be sovereign and may enjoy a monopoly on the legal initiation of force and are not dependent on, or subject to any other power or state. Many states are federated states which participate in a federal union...

    ),
  3. All societies progress through these stages in the same sequence, but at different rates.

Theorists usually measured progression (that is, the difference between one stage and the next) in terms of increasing social complexity (including class differentiation and a complex division of labor), or an increase in intellectual, theological, and aesthetic sophistication. These 19th century ethnologists
Ethnology
Ethnology is the branch of anthropology that compares and analyzes the origins, distribution, technology, religion, language, and social structure of the ethnic, racial, and/or national divisions of humanity.-Scientific discipline:Compared to ethnography, the study of single groups through direct...

 used these principles primarily to explain differences in religious beliefs and kinship terminologies among various societies.

Ward

There were however notable differences between the work of Lester Frank Ward's and Tylor's approaches. Lester Frank Ward
Lester Frank Ward
Lester F. Ward was an American botanist, paleontologist, and sociologist. He served as the first president of the American Sociological Association.-Biography:...

 developed Spencer's theory but unlike Spencer, who considered the evolution to be general process applicable to the entire world, physical and sociological, Ward differentiated sociological evolution from biological evolution. He stressed that humans create goals for themselves and strive to realise them, whereas there is no such intelligence and awareness guiding the non-human world, which develops more or less at random. He created a hierarchy of evolution processes. First, there is cosmogenesis
Cosmogenesis
Cosmogenesis is the origin and development of the cosmos. This term "Cosmogenesis" was used by Helena P. Blavatsky to describe the content of Volume I of her two-volume The Secret Doctrine, published in 1888; volume II was called "Anthropogenesis" or the origin of humanity.-Teilhard...

, creation and evolution of the world. Then, after life develops, there is biogenesis
Biogenesis
Biogenesis is the law that living things come only from other living things, e.g. a spider lays eggs, which develop into spiders. It may also refer to biochemical processes of production in living organisms.-Spontaneous generation:...

. Development of humanity leads to anthropogenesis, which is influenced by the human mind. Finally, when society
Society
A society, or a human society, is a group of people related to each other through persistent relations, or a large social grouping sharing the same geographical or virtual territory, subject to the same political authority and dominant cultural expectations...

 develops, so does sociogenesis, which is the science of shaping the society to fit with various political, cultural and ideological goals.

Edward Burnett Tylor
Edward Burnett Tylor
Sir Edward Burnett Tylor , was an English anthropologist.Tylor is representative of cultural evolutionism. In his works Primitive Culture and Anthropology, he defined the context of the scientific study of anthropology, based on the evolutionary theories of Charles Lyell...

, pioneer of anthropology
Anthropology
Anthropology is the study of humanity. It has origins in the humanities, the natural sciences, and the social sciences. The term "anthropology" is from the Greek anthrōpos , "man", understood to mean mankind or humanity, and -logia , "discourse" or "study", and was first used in 1501 by German...

, focused on the evolution of culture worldwide, noting that culture is an important part of every society and that it is also subject to the process of evolution. He believed that societies were at different stages of cultural development and that the purpose of anthropology was to reconstruct the evolution of culture, from primitive beginnings to the modern state.

Tönnies

Ferdinand Tönnies
Ferdinand Tönnies
Ferdinand Tönnies was a German sociologist. He was a major contributor to sociological theory and field studies, best known for his distinction between two types of social groups, Gemeinschaft and Gesellschaft...

 describes the evolution as the development from informal society, where people have many liberties and there are few laws and obligations, to modern, formal rational society, dominated by traditions and laws and are restricted from acting as they wish. He also notes that there is a tendency of standardization
Standardization
Standardization is the process of developing and implementing technical standards.The goals of standardization can be to help with independence of single suppliers , compatibility, interoperability, safety, repeatability, or quality....

 and unification, when all smaller societies are absorbed into the single, large, modern society. Thus Torbes can be said to describe part of the process known today as the globalisation. Torbes was also one of the first sociologists to claim that the evolution of society is not necessarily going in the right direction, that the social progress
Social progress
Social progress is the idea that societies can or do improve in terms of their social, political, and economic structures. This may happen as a result of direct human action, as in social enterprise or through social activism, or as a natural part of sociocultural evolution...

 is not perfect, it can even be called a regress as the newer, more evolved societies are obtained only after paying a high costs, resulting in decreasing satisfaction of individuals making up that society. Tönnies' work became the foundation of neo-evolutionism.

The Critique of Unilineal Classical Social Evolution and its Impact

Boas

The early 20th century inaugurated a period of systematic critical examination, and rejection of unilineal theories of cultural evolution. Cultural anthropologists
Cultural anthropology
Cultural anthropology is a branch of anthropology focused on the study of cultural variation among humans, collecting data about the impact of global economic and political processes on local cultural realities. Anthropologists use a variety of methods, including participant observation,...

 such as Franz Boas
Franz Boas
Franz Boas was a German-American anthropologist and a pioneer of modern anthropology who has been called the "Father of American Anthropology" and "the Father of Modern Anthropology." Like many such pioneers, he trained in other disciplines; he received his doctorate in physics, and did...

, typically regarded as the leader of anthropology's rejection of classical social evolutionism, used sophisticated ethnography
Ethnography
Ethnography is a qualitative method aimed to learn and understand cultural phenomena which reflect the knowledge and system of meanings guiding the life of a cultural group...

 and more rigorous empirical methods to argue that Spencer, Tylor, and Morgan's theories were speculative and systematically misrepresented ethnographic data. Additionally, they rejected the distinction between "primitive" and "civilized" (or "modern"), pointing out that so-called primitive contemporary societies have just as much history, and were just as evolved, as so-called civilized societies. They therefore argued that any attempt to use this theory to reconstruct the histories of non-literate (i.e. leaving no historical documents) peoples is entirely speculative and unscientific. They observed that the postulated progression, which typically ended with a stage of civilization identical to that of modern Europe, is ethnocentric
Ethnocentrism
Ethnocentrism is the tendency to believe that one's ethnic or cultural group is centrally important, and that all other groups are measured in relation to one's own. The ethnocentric individual will judge other groups relative to his or her own particular ethnic group or culture, especially with...

. They also pointed out that the theory assumes that societies are clearly bounded and distinct, when in fact cultural traits and forms often cross social boundaries and diffuse among many different societies (and is thus an important mechanism of change).Boas in his culture history approach focused on anthropological fieldwork in an attempt to identify factual processes instead of what he criticized as speculative stages of growth.

Global Change

Later critics observed that this assumption of firmly bounded societies was proposed precisely at the time when European powers were colonizing non-Western societies, and was thus self-serving. Many anthropologists and social theorists now consider unilineal cultural and social evolution a Western myth
Mythology
The term mythology can refer either to the study of myths, or to a body or collection of myths. As examples, comparative mythology is the study of connections between myths from different cultures, whereas Greek mythology is the body of myths from ancient Greece...

 seldom based on solid empirical grounds. Critical theorists argue that notions of social evolution are simply justifications for power
Power (sociology)
Power is a measurement of an entity's ability to control its environment, including the behavior of other entities. The term authority is often used for power perceived as legitimate by the social structure. Power can be seen as evil or unjust, but the exercise of power is accepted as endemic to...

 by the elites of society. Finally, the devastating World War
World war
A world war is a war affecting the majority of the world's most powerful and populous nations. World wars span multiple countries on multiple continents, with battles fought in multiple theaters....

s that occurred between 1914 and 1945 crippled Europe's self-confidence. After millions of deaths, genocide
Genocide
Genocide is defined as "the deliberate and systematic destruction, in whole or in part, of an ethnic, racial, religious, or national group", though what constitutes enough of a "part" to qualify as genocide has been subject to much debate by legal scholars...

, and the destruction of Europe's industrial infrastructure, the idea of progress seemed dubious at best.

Major Objections & Concerns

Thus modern socio-cultural evolutionism rejects most of classical social evolutionism due to various theoretical problems:
  1. The theory was deeply ethnocentric--it makes heavy value judgements on different societies; with Western civilization
    Western culture
    Western culture, sometimes equated with Western civilization or European civilization, refers to cultures of European origin and is used very broadly to refer to a heritage of social norms, ethical values, traditional customs, religious beliefs, political systems, and specific artifacts and...

     seen as the most valuable.
  2. It assumed all cultures follow the same path or progression and have the same goals.
  3. It equated civilization
    Civilization
    Civilization is a sometimes controversial term that has been used in several related ways. Primarily, the term has been used to refer to the material and instrumental side of human cultures that are complex in terms of technology, science, and division of labor. Such civilizations are generally...

     with material culture
    Material culture
    In the social sciences, material culture is a term that refers to the relationship between artifacts and social relations. Studying a culture's relationship to materiality is a lens through which social and cultural attitudes can be discussed...

     (technology, cities, etc.)
  4. It equated evolution
    Evolution
    Evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.Life on Earth...

     with progress or fitness
    Survival of the fittest
    "Survival of the fittest" is a phrase originating in evolutionary theory, as an alternative description of Natural selection. The phrase is today commonly used in contexts that are incompatible with the original meaning as intended by its first two proponents: British polymath philosopher Herbert...

    ,
    based on deep misunderstandings of evolutionary theory.
  5. It is contradicted by evidence. Some (but not all) supposedly primitive societies are arguably more peaceful and equitable / democratic than many modern societies.


Because social evolution was posited as a scientific theory, it was often used to support unjust and often racist social practices—particularly colonialism
Colonialism
Colonialism is the establishment, maintenance, acquisition and expansion of colonies in one territory by people from another territory. It is a process whereby the metropole claims sovereignty over the colony and the social structure, government, and economics of the colony are changed by...

, slavery
Slavery
Slavery is a system under which people are treated as property to be bought and sold, and are forced to work. Slaves can be held against their will from the time of their capture, purchase or birth, and deprived of the right to leave, to refuse to work, or to demand compensation...

, and the unequal economic conditions present within industrialized Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

.
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