Answer:
b) nuclear nonproliferation treaty
Explanation:
Nuclear Nonproliferation Treaty is a treaty involving all the nations particularly those in possession of nuclear weapons. This international treaty seeks to regulate the distribution of nuclear weapons and weapons creation.
The purpose of which is to facilitate mutual understanding and alliance in the nonviolent utilization of nuclear energy, and again improve the objective of attaining nuclear and general disarmament.
Hence, in this case, the correct answer is "Nuclear Nonproliferation Treaty."
