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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

    2 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. What Is the USSR? Formation, Structure, and Dissolution

    1 day ago · Trace the complete history of the USSR: its ideological founding, centralized political structure, command economy, and ultimate dissolution.

  6. Volume 3, Chapter 12: The Soviet Union – Western Civilization, A ...

    On the eve of World War II, the USSR had become the third-largest industrial power in the world after the United States and Germany, and was counted among the major political powers of not just …

  7. The Soviet Union - WorldAtlas

    Jul 16, 2021 · The Soviet Union, formally known as the Union of Soviet Socialist Republics, or USSR for short, was a country that was composed of 15 different units, known as republics. Among these …

  8. 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 …

  9. Soviet Union - New World Encyclopedia

    Efforts to develop a capitalist economy while creating a new socialist government system failed. What resulted was a command economic system with an increasingly totalitarian political system. During …

  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.