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  1. Soviet Union - Wikipedia

    The USSR was one of the most advanced industrial states during its existence. It had the world's second-largest economy and largest standing military. As a nuclear state, it wielded the largest …

  2. Soviet Union | History, Leaders, Flag, Map, & Anthem | Britannica

    3 days ago · During the period of its existence, the Union of Soviet Socialist Republics was by area the world’s largest country. It was also one of the most diverse, with more than 100 distinct nationalities …

  3. What Was the USSR and Which Countries Were in It? - ThoughtCo

    May 6, 2025 · The USSR was a large communist country made up of Russia and 14 other countries. The USSR was founded in 1922 and dissolved in 1991 after Gorbachev's reforms failed.

  4. Soviet Union - Countries, Cold War & Collapse | HISTORY

    Sep 1, 2017 · A 1922 treaty between Russia, Ukraine, Belarus and Transcaucasia (modern Georgia, Armenia and Azerbaijan) formed the Union of Soviet Socialist Republics (USSR).

  5. History of the Soviet Union - Wikipedia

    Established in 1922 following the Russian Civil War, the Soviet Union quickly became a one-party state under the Communist Party. Its early years under Lenin were marked by the implementation of …

  6. USSR: The Union of Soviet Socialist Republics

    Sep 11, 2024 · The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a socialist state in Eurasia that existed from 1922 to 1991. It was a single-party state governed …

  7. Former Soviet Union (USSR) Countries - WorldAtlas

    Feb 14, 2023 · The Soviet Union (or the Union of Soviet Socialist Republics - USSR) was a giant single-party communist state formed by the federal union of 15 national republics. It existed from 1922 to …

  8. Soviet Union - Communism, Totalitarianism, Purges | Britannica

    3 days ago · They resulted in a series of factional fights that constituted the political history of the U.S.S.R. over the next six years. The party was in a most anomalous position.

  9. Soviet Union - Wikiwand

    The USSR was one of the most advanced industrial states during its existence. It had the world's second-largest economy and largest standing military. An NPT-designated state, it wielded the …

  10. What was the USSR? - History Skills

    Founded after the collapse of the Russian Empire and the Bolshevik victory in the Russian Civil War, the USSR combined revolutionary ideals with centralised rule under the Communist Party.