Respuesta :
Answer:
D. The two countries changed from being friendly allies to being fierce rivals.
Explanation:
The relationship between the United States and the Soviet Union changed after World War because D. The two countries changed from being friendly allies to being fierce rivals.
It should be noted that the two countries didn't change from being fierce rivals to being friendly allies.
After the World War, the countries became bitter enemies. The two countries changed from being friendly allies to being fierce rivals.
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