History of the United Nations — Glossary

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

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

Competition between the world's most powerful states for influence, security, and global dominance.

An informal arrangement where great powers cooperate to maintain international order and prevent conflict.

The five permanent members of the UN [Security Council](https://modeldiplomat.com/learn/glossary/security-council): China, France, Russia, the United Kingdom, and the United States.

Regions where a powerful state exerts predominant political, economic, or military control without formal authority.

A principal UN organ responsible for promoting international economic and social cooperation and development.

A UN agency responsible for coordinating environmental activities and assisting developing countries in environmental policy.

A UN agency mandated to protect and support refugees worldwide.

A former UN body established to oversee the administration of trust territories and guide them toward self-government or independence.