Soviet Union - Wikipedia
During its existence, the Soviet Union produced many significant social and technological achievements and innovations. The USSR was one of the most advanced industrial states …
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 …
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 …
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).
What Is the USSR? Formation, Structure, and Dissolution
Dec 14, 2025 · Trace the complete history of the USSR: its ideological founding, centralized political structure, command economy, and ultimate dissolution.
The Soviet Socialist Republics | World History - Lumen Learning
The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a federation of Soviet Republics that were outwardly independent nations, but existed essentially as satellite …
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 …