Nuclear Nonproliferation — Glossary

The process by which states coordinate policies, share resources, and maintain trust to sustain [Collective Defense](https://modeldiplomat.com/learn/glossary/collective-defense) agreements or partnerships.

A situation where no single state or coalition dominates others, maintaining stability through power equilibrium.

An international agreement prohibiting all nuclear explosions for testing purposes.

A strategy that prevents [Aggression](https://modeldiplomat.com/learn/glossary/aggression) by threatening credible and severe retaliation.

Rivalry among major states to achieve strategic dominance in global or regional arenas.

Measures and inspections by the [IAEA](https://modeldiplomat.com/learn/glossary/iaea) to ensure nuclear materials are not diverted to weapons programs.

An international treaty aimed at preventing the spread of nuclear weapons and promoting peaceful nuclear energy use.

Strategic Arms Limitation Talks agreements between the U.S. and USSR aiming to limit nuclear weapons during the Cold War.

A 1962 Cold War confrontation between the U.S. and the Soviet Union over Soviet ballistic missiles deployed in Cuba, nearly leading to nuclear war.

The spread of nuclear, chemical, or biological weapons to states or non-state actors.