To what extent did Khrushchev reduce tension during 1953-1960?

Nikita Sergeyevish Khrushchev became the Soviet leader shortly after the death of the previous Soviet leader Stalin in 1953. Everyone hoped that Khrushchev would bring a period of "thaw" in the Cold War. Although his intentions were noble the US remained cautious about the Soviet Union. Khrushchev tried various ways to help reduce the tension between the USSR and the Western countries, namely the United States, but they were only successful to a certain extent. Within …

…Americans until the apologized and canceled all future flights. President Eisenhower refused to apologize but did cancel all future spy-plane flights. This instantly brought the tension back, undoing all the work that Khrushchev had done during his visit. Khrushchev did bring a temporary thaw to the Cold War but co-existence did not last long. Because of the events which took place from 1953 to 1950, Khrushchev's attempts at reducing tension were only successful to a certain extent.