The Soviet Union was a world power and major player in the space race. It dissolved in 1991 into individual states, the largest of which is the Russian Federation.

The Union of Soviet Socialist Republics abbreviated to USSR or shortened to the Soviet Union, was a Marxist–Leninist state on the Eurasian continent that existed between 1922 and 1991. It was governed as a single-party state by the Communist Party with Moscow as its capital. A union of multiple subnational Soviet republics, its government and economy were highly centralized.

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