Which treaty was imposed by the five nuclear weapon powers and five permanent members of the UN Security Council on the rest of the world in 1968?

Correct option is D

The treaty imposed by the five nuclear weapon powers (United States, Soviet Union, United Kingdom, France, and China) and the five permanent members of the United Nations Security Council on the rest of the world in 1968 is known as the Non-Proliferation Treaty (NPT).
· The Treaty on the Non-Proliferation of Nuclear Weapons (“NPT”) aims to avert the danger of nuclear war through the prevention of the wider dissemination of nuclear weapons and other measures.
· The NPT was opened for signature on 1 July 1968 and entered into force on 5 March 1970.