17 out 1963 ano - Test-Ban Treaty Implemented

Descrição:

Negotiated by President John F. Kennedy and had the Soviet Union, the United Kingdom, and the United States sign in 1963, came into force on October 10 after being ratified by all three nations. The treaty, which prohibited nuclear weapon tests in the atmosphere, space, and under water, was a major step toward easing Cold War tensions between the superpowers and halting the spread of nuclear weapons.

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