Which among the following was the earliest arms control treaty which banned nuclear weapon tests in the outer space and under water?

Correct option is B

The correct answer is (b) Limited Test Ban Treaty
Explanation:
● The Limited Test Ban Treaty (LTBT), signed in 1963, prohibited nuclear weapon tests in the atmosphere, outer space, and underwater.
● It was a response to growing international concern over radioactive fallout from nuclear testing.
● It allowed only underground testing, provided no radioactive debris escaped outside the territory of the testing country.
Information Booster:
● Signed by the United States, the Soviet Union, and the United Kingdom.
● It was the first major step toward slowing the arms race during the Cold War.
● It paved the way for subsequent treaties like the NPT.
Additional Knowledge:
● Nuclear Non-Proliferation Treaty (NPT) – Aimed at preventing the spread of nuclear weapons and technology.
● CTBT – A treaty that bans all nuclear explosions, for both civilian and military purposes, in all environments.