Question

When was the Nuclear Non-proliferation Treaty signed ?

• A. 1963
• B. 1965
• C. 1967
• D. 1968

Hint:

Associate the NPT with the late 1960s. This was a peak period in the Cold War when the major powers sought to manage the risks of nuclear war by controlling the spread of these weapons.

Answer 1

The Correct Option is D

Step 1: Understanding the Concept:
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Nuclear Non-Proliferation Treaty (NPT), is a landmark international treaty with the objective of preventing the spread of nuclear weapons.
Step 2: Detailed Explanation:
The treaty was negotiated during the 1960s. After negotiations, the NPT was opened for signature on July 1, 1968.
It entered into force in 1970. The treaty divides states into two categories: nuclear-weapon states (the US, Russia, UK, France, and China) and non-nuclear-weapon states.
Among the given options, 1968 is the correct year when the treaty was opened for signature.
Step 3: Final Answer:
The Nuclear Non-proliferation Treaty was opened for signature in the year 1968.
Therefore, option (D) is correct.