Question

what was one main reason khrushchev was replaced as party leader? his reforms created serious problems. he was unable to win the space race. he was forced to crush rebellions in other countries. his challenge to the us nearly caused a war.

Explanation:

Khrushchev's reforms, like de - Stalinization and agricultural initiatives, led to internal opposition and serious problems within the Soviet system, which was a major factor in his removal. The space race was not the main reason for his replacement. Crushing rebellions in other countries was not a direct cause of his ousting. His confrontations with the US, while tense, were not the primary reason for his removal as party leader compared to the problems his reforms caused.

Answer:

His reforms created serious problems.