John Henninger Reagan was a leading 19th century

History of the United States

The history of the United States traditionally starts with the Declaration of Independence in the year 1776, although its territory was inhabited by Native Americans since prehistoric times and then by European colonists who followed the voyages of Christopher Columbus starting in 1492. The...

 American politician

Politics of the United States

The United States is a federal constitutional republic, in which the President of the United States , Congress, and judiciary share powers reserved to the national government, and the federal government shares sovereignty with the state governments.The executive branch is headed by the President...

 from the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. A Democrat, Reagan resigned from the U.S. House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 when Texas seceded

Secession

Secession is the act of withdrawing from an organization, union, or especially a political entity. Threats of secession also can be a strategy for achieving more limited goals.-Secession theory:...

 from the Union

Union (American Civil War)

During the American Civil War, the Union was a name used to refer to the federal government of the United States, which was supported by the twenty free states and five border slave states. It was opposed by 11 southern slave states that had declared a secession to join together to form the...

 and joined the Confederate States of America

Confederate States of America

The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

. He served in the cabinet of Jefferson Davis

Jefferson Davis

Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

 as Postmaster

Postmaster

A postmaster is the head of an individual post office. Postmistress is not used anymore in the United States, as the "master" component of the word refers to a person of authority and has no gender quality...

 General. After the Confederate defeat, he called for cooperation with the federal government and thus became unpopular, but returned to public office when his predictions of harsh treatment for resistance were proved correct.