US History – 1865 to Present
The Soviet Union, officially known as the Union of Soviet Socialist Republics (USSR), was a federal socialist state that existed from 1922 until its dissolution in 1991, comprised of multiple republics under a single-party state led by the Communist Party. Its geopolitical significance during the Cold War made it a major player in global politics, particularly in relation to U.S. foreign policy and the pursuit of détente.
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