USA HISTORY

Detailed explanation-1: -Kennedy signed the ratified treaty on October 7, 1963. The treaty: prohibited nuclear weapons tests or other nuclear explosions under water, in the atmosphere, or in outer space. allowed underground nuclear tests as long as no radioactive debris falls outside the boundaries of the nation conducting the test.

Detailed explanation-2: -The Cuban missile crisis showed that neither the United States nor the Soviet Union were ready to use nuclear weapons for fear of the other’s retaliation (and thus of mutual atomic annihilation). The two superpowers soon signed the Nuclear Test-Ban Treaty of 1963, which banned aboveground nuclear weapons testing.

Detailed explanation-3: -CTBT: Comprehensive Nuclear-Test-Ban Treaty. The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is a treaty banning all nuclear test explosions anywhere in the world. The Treaty was adopted by the United Nations General Assembly on 10 September 1996. 185 nations are signatories of CTBT. NPT:Non-proliferation Treaty.

Detailed explanation-4: -The Limited Test Ban Treaty was signed by the United States, the Soviet Union, and Great Britain in 1963, and it banned all nuclear tests in the atmosphere, in space, or underwater.

Detailed explanation-5: -It opened for signature in New York on 24 September 1996, when it was signed by 71 states, including five of the eight then nuclear-capable states. As of January 2023, 177 states have ratified the CTBT and another nine states have signed but not ratified it.