Answer
Nikita Khrushchev was the First Secretary of the Communist Party of the Soviet Union (CPSU) from 1953 to 1964. In the late 1950s, Suslov became the leader of the party opposition to Khrushchev, who had initiated a number of reforms, including the de-Stalinization of the Soviet Union. Suslov was a conservative who opposed Khrushchev's reforms, and he played a key role in the ousting of Khrushchev from power in 1964.