Name the leader who suggested "Peaceful Coexistence" in 1956

Nikita Khrushchev

The correct answer is option (4) - Nikita Khrushchev

Nikita Khrushchev, born in 1894 and leading the Soviet Union from 1953 to 1964, is known for his denunciation of Stalin's leadership style and the introduction of certain reforms in 1956. He advocated the idea of "peaceful coexistence" with the Western powers and played key roles in suppressing a popular rebellion in Hungary and the Cuban missile crisis.