USA HISTORY

Detailed explanation-1: -The Treaty on the Prohibition of Nuclear Weapons (TPNW) includes a comprehensive set of prohibitions on participating in any nuclear weapon activities. These include undertakings not to develop, test, produce, acquire, possess, stockpile, use or threaten to use nuclear weapons.

Detailed explanation-2: -In 1950, US president Harry S. Truman publicly stated that the use of nuclear weapons was under “active consideration” against Chinese targets during the Korean War. In 1953, US president Dwight D. Eisenhower threatened the use of nuclear weapons to end the Korean War if the Chinese refused to negotiate.

Detailed explanation-3: -On August 5, 1963, after more than eight years of difficult negotiations, the United States, the United Kingdom, and the Soviet Union signed the Limited Nuclear Test Ban Treaty.

Detailed explanation-4: -U.S. official policy is to pursue a step-by-step approach to nuclear disarmament to achieve a nuclear-weapons-free world. Has not signed the Treaty on the Prohibition of Nuclear Weapons (TPNW). Signed the Comprehensive Nuclear Test Ban Treaty (CTBT) in September 1996 but has yet to ratify the treaty.