It’s either B or D but in mostly think B
Containment was a United States policy using numbers of strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.
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it was rich in money and a econmic boom
Political upheaval in Germany caused people to seek freedom elsewhere wasn't the reason
