๐Ÿ“œintro to political science review

Collective security

Written by the Fiveable Content Team โ€ข Last updated September 2025
Written by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Collective security is a system designed by a group of nations to prevent aggression by any one member against another, ensuring mutual protection. It relies on the principle that an attack on one is considered an attack on all, necessitating joint action to repel the aggressor.