Because he was assassinated. He was assassinated very soon after the war ended and there was no time to do everything he wanted to do. Other people took over and started implementing reconstruction ideas and eventually it turned into more exploitation and segregation and racism.
Answer:In the years after World War II, the United States was guided generally by containment the policy of keeping communism from spreading beyond the countries already under its influence. The policy applied to a world divided by the Cold War, a struggle between the United States and the Soviet Union.
Explanation:
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