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Why did the French withdraw from Vietnam after the Battle of Dien Bien Phu?

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Shiʿi militia fighter in Iraq — guerrilla warfare A masked Iraqi Shiʿi militia fighter dashing across a street, carrying a rocket-propelled grenade launcher, Baghdad, August 7, 2004.

The French withdrawal from Vietnam following the Battle of Dien Bien Phu was driven by a decisive military defeat that effectively ended the eight-year First Indochina War.21

The battle, which concluded on May 7, 1954, left French forces in disarray and caused a profound sense of national humiliation within the French army and public. Having lost ground to the Viet Minh—who utilized a combination of guerrilla warfare and conventional tactics under the leadership of Vo Nguyen Giap—the French government sought an immediate end to the conflict.23

This military collapse forced France to negotiate a settlement at the Geneva Conference, resulting in the Geneva Accords of July 1954. These agreements established a temporary demarcation line at the 17th parallel, leading to the withdrawal of French troops and the end of French colonial rule in Indochina.41