The matter of Negative Security Assurances has been on the Conference on Disarmament’s Decalogue since 1978. However United Nations General Assembly first passed a resolution 21/531 in 1966 which calls upon Nuclear Weapon States to give Security Assurances to Non-Nuclear Weapon States that they will not use or threat to use nuclear weapon against non nuclear weapon states without nuclear weapons on their territories.
After the United Nations General Assembly Resolution there has been various proposal and recommendation proposed by the United States and Soviet Union for Negative Security Assurances and creation for nuclear weapons free zones in different parts of the world. In 1968 United Nation Security Council passed a resolution 255, whereby U.S and Soviet Union offered positive security assurances to non nuclear states, parties to non-proliferation treaty. More >>>
