Nuclear weapons usage be it for preventing oneself or for ending war has been reduced due to arms control method of cooperation .

1. The most important of these are disarmament, arms control, and confidence building. Disarmament requires all states to give up certain kinds of weapons

2. For example, the 1972 Biological Weapons Convention (BWC) and the 1992 Chemical Weapons Convention (CWC) banned the production and possession of these weapons.

3. Arms control regulates the acquisition or development of weapons. The Anti-ballistic Missile (ABM) Treaty in 1972 tried to stop the United States and Soviet Union from using ballistic missiles as a defensive shield to launch a nuclear attack.