The USSR, or the Union of Soviet Socialist Republics, was a communist state that existed from 1922 to 1991. It was made up of multiple republics and was known for its authoritarian rule and conflict with the United States during the Cold War.
Related terms
Cold War: A period of political tension between the United States and the USSR after World War II, characterized by ideological conflicts and arms races.
Communism: An economic and political system where all property is publicly owned, and each person works according to their ability while receiving according to their needs.
Iron Curtain: The term used to describe the division between communist Eastern Europe (controlled by the USSR) and democratic Western Europe (led by the United States) during the Cold War.