Answer:
The impending independence of one of those colonies, Angola, led to the Angolan civil war that grew into a Cold War competition. The Angola crisis of 1974–1975 ultimately contributed to straining relations between the United States and the Soviet Union.
Explanation:
Relations between Angola and the United States were tense during the Angolan Civil War when the U.S. government backed National Union for the Total Independence of Angola (UNITA) rebels, but have warmed since the Angolan government renounced Communism in 1992
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