Answer:
The period of Joseph Stalin’s rule over the Soviet Union was significant in the 20th century world history because of the distinctive character of the government, the extension of communism into Eastern Europe, and the increasing importance of the Soviet Union as a world power during the Cold War. Stalin’s rule of the Soviet Union began in 1928, when, after a long struggle he succeeded Vladimir Lenin, the unquestioned leader of the Bolshevik Party during the revolution who suffered a stroke and then died in 1924, 3 years earlier. Stalin’s rule ended exactly 25 years later with his death in early 1953.
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