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What limits were placed on the use of force by first-generation UN peacekeepers?

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Taking prisoners — diplomacy A larger-than-life Ramses II towering over his prisoners and clutching them by the hair. Limestone bas-relief from Memphis, Egypt, 1290–24 bce; in the Egyptian Museum, Cairo.

First-generation, or "classic," United Nations Peacekeeping Forces operated under strict limitations regarding the use of force. During the Cold War, these missions typically utilized lightly armed troops from neutral nations to act as buffers between warring parties.

The primary constraint placed on these forces was that they were authorized to use force only in self-defense.1

Unlike later "second-generation" peacekeeping missions, which sometimes authorized soldiers to employ force for broader objectives—such as protecting civilian populations or maintaining internal order—first-generation missions were designed to be strictly peaceful. They relied on the consent of the parties involved in the conflict and the support of the UN Security Council to maintain their status as neutral observers of cease-fires.1