The Unitary People's Liberation Front or simply the People's Liberation Front (sometimes referred to as the National Liberation Front), was a World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 political organization and movement headed by the Communist Party of Yugoslavia (KPJ) that united all political parties and individuals of the republican, federalist, and left-wing political spectrum in occupied Yugoslavia

Kingdom of Yugoslavia

The Kingdom of Yugoslavia was a state stretching from the Western Balkans to Central Europe which existed during the often-tumultuous interwar era of 1918–1941...

. The Front served as political backing to the Yugoslav resistance movement, the Partisans. In 1945 with Partisans winning the war, the Unitary People's Liberation Front was reorganized and renamed the People's Front (Narodni Front, NOF). Under this name the Front won the post-war Yugoslav elections, after which it was soon renamed into Socialist Alliance of Working People of Yugoslavia

Socialist Alliance of Working People of Yugoslavia

The Socialist Alliance of Working People of Yugoslavia or SSRNJ , formerly the People's Front , was the largest and most influential mass organization in SFR Yugoslavia from August 1945 through 1990. In 1990 its membership was thirteen million, including most of the adult population of the country...

(Socijalistički savez radnog naroda Jugoslavije, SSRNJ).