Definitions for "Collective security"
The operating principle behind the League of Nations and the United Nations; namely, that aggression by one state is considered aggression directed at the entire international community and thus will be responded to collectively. (Mingst 67, 167) Close Window
The original theory behind UN peacekeeping. It holds that aggression against one state is aggression against every member and should be defeated by the collective action of all. 360
Joining of countries into an organization to maintain international peace and law. Their collective strength deters or punishes aggression by member nations. The United Nations is one such organization.