Explain how Russia and the Soviet Union Modernized from 1917 to 1945

Despite the soviets unions initial desires to pursue a global revolution policy soon changed in light of reality and a shift in doctrine modernization in one country and with an unprecedented speed was pursued. The initial policy of War Communism proved hopeless in regards to modernization, the NEP proved more successful however, it too became incapable of achieving the rapid modernization. Stalin's policy launched with the "great turn" back to socialism of collectivization and the five-year plans proved economically miraculous but socially disastrous. By 1945, the USSR was modern.
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