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Joseph Stalin was the leader of the Soviet Union during World War II and he picked up many facts about atomic weapons that Roosevelt, because of old age, let slip out. With that knowledge, the Soviet Union became a superpower in the Cold War with a huge Stockholm of nuclear weaponry and armaments. He helped the Soviet Union a lot, although the Soviet Union eventually went under. What Russia (as it's called today) has more than the US are nuclear submarines. That's pretty much all.

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13y ago

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