Stalin's death in 1953 and Nikita Khrushchev's rise to power lead to a slight ease in the tensions between the Soviet Union and the United States, known at the time as "the superpowers".
Even though Nikita Khrushchev was communist like Stalin was, he prefered to maintain a peaceful co-existance with the capitalist countries. And, unlike Stalin, he even visited the United States.
John Locke, whose ideas were reflected in the ideas of the founding fathers of the United States, wrote back in 1690 that the natural right of a person is the right for protection of life, freedom and property from threats and encroachment from the outside.
