The international treaty aimed at banning nuclear weapons, which was adopted by the United Nations General Assembly in 2017, is

Treaty on the Prohibition of Nuclear Weapons (TPNW)

The correct answer is Option (3) → Treaty on the Prohibition of Nuclear Weapons (TPNW)

The international treaty adopted by the United Nations General Assembly in 2017 with the aim of banning nuclear weapons is the:

Treaty on the Prohibition of Nuclear Weapons (TPNW)

Explanation (brief):

• Adopted in July 2017
• Prohibits development, testing, production, possession, and threat of use of nuclear weapons
• Entered into force in January 2021