Since the end of the Cold War, the UN has found itself intervening directly within its member states to help them end intrastate conflicts and rebuild their war-torn countries. Peacekeeping missions that were originally designed to keep opposing national armies apart and that had the consent of the host state are now expected to secure a much more comprehensive peace, intervene much more deeply in states’ internal affairs—with tenuous legitimacy—and resolve active conflicts where there is no “peace” to keep.

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