What were the economic political and social causes of the cold war?

In 1945, the United States and Soviet Union were allies, jointly triumphant in World War II, which ended with total victory for Soviet and American forces over Adolf Hitler's Nazi empire in Europe. Within just a few years, however, wartime allies became mortal enemies, locked in a global struggle—military, political, economic, ideological—to prevail in a new "Cold War."

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