1、CRS INSIGHT Prepared for Members and Committees of Congress The Nuclear Ban Treaty: An Overview Updated January 25, 2021 Since the founding of the United Nations in 1945, the UN General Assembly (UN GA) has called for the elimination of nuclear weapons. UNGA Resolution A/71/258 (2016) called on UN m
2、ember states to negotiate in 2017 a legally binding Treaty on the Prohibition of Nuclear Weapons (TPNW), also known as the nuclear “ban treaty.” Negotiations ended on July 7, 2017, when 122 countries voted to approve the treaty. Singapore abstained, and the Netherlands voted against it, citing confl
3、icts between the treaty and its commitments as a member of NA TO. The United States and 40 other states did not participate in negotiations. To date, 84 countries have signed and 50 countries have ratified the treaty. In accordance with Article 15, the TPNW entered into force 90 days following the 5
4、0th ratification on January 22, 2021. Civil society groups advocated for a nuclear ban, and in 2017, the Nobel Peace Prize was awarded to the nongovernmental International Campaign to Abolish Nuclear Weapons (ICAN) for its advocacy role. Article 1 of the TPNW says that adherents would never “develop
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