Explanation
The Partial Nuclear Test Ban Treaty was signed in:
(B) 1963.
The Partial Nuclear Test Ban Treaty, also known as the Limited Test Ban Treaty, was signed on 5 August 1963. The treaty was an international agreement between the United States, the Soviet Union, and the United Kingdom. It banned the testing of nuclear weapons in the atmosphere, outer space, and underwater. The treaty was a significant step towards reducing nuclear weapons testing and the environmental and health risks associated with it.
