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The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) was signed in 1968 and entered into force in 1970 with the aim of ensuring global security and preventing the proliferation of nuclear weapons. Today, with more than 190 signatory states, the NPT is considered one of the cornerstones of the international nuclear disarmament regime. The treaty is based on three fundamental principles: preventing the spread of nuclear weapons, promoting nuclear disarmament, and encouraging the peaceful u