The Soviet Union was a federal socialist state that existed from 1922 to 1991. It was located in Eurasia and covered a vast territory that stretched from Eastern Europe to Northern Asia. At its height, the Soviet Union was the largest country in the world by land area, and it was one of the two superpowers of the Cold War era, alongside the United States. The Soviet Union was established after the Russian Revolution of 1917, which saw the overthrow of the Tsarist autocracy and the rise of the Communist Party under the leadership of Vladimir Lenin. The country was officially known as the Union of Soviet Socialist Republics (USSR), and it was composed of 15 constituent republics, each with its own government and Communist Party. Under Soviet rule, the economy of the country was planned and controlled by the state, with the goal of achieving socialist industrialization and collectivization. The government owned all means of production, and the Communist Party maintained strict
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