What is the walking treaty?

The Walking Treaty refers to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), which was signed in 1968 and entered into force in 1970. The treaty is aimed at preventing the spread of nuclear weapons and promoting nuclear disarmament. It has been signed by 191 countries, and five countries have officially recognized it but not signed the treaty. The treaty includes a provision that allows countries to withdraw if they feel their supreme interests are jeopardized.