Definition: The Union of Soviet Socialist Republics, colloquially known as the USSR (Russian: 小小小袪, Russian: 小小小袪), is a historical and political entity that existed from 1922 until its dissolution in 1991. It was once considered one of the most powerful states in the world at the time. The Soviet Union consisted of five republics: the Baltic Republics, the Ukrainian SSR, the Russian SSR, the Kazakhs SSR and
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