Multiple choice What brought an end to the US policy of detente? Soviet boycott of the 1980 Olympic games US recognition of China in 1979 the Soviet launching of Sputnik Soviet Invasion of Afghanistan in 1979 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The policy of detente, which aimed to ease tensions between the US and the USSR, effectively ended when the Soviet Union invaded Afghanistan in 1979, prompting a strong US reaction.