Consequences
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Approximately 2 to 3 million Koreans (both military and civilian) died, plus tens of thousands of UN troops (including over 36,000 Americans)
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The division of Korea became permanent. North and South Korea remain technically at war today; the armistice has never been replaced with a peace treaty
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The war confirmed American commitment to defending allies against communist aggression, becoming the model for later Cold War interventions
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The war strengthened communist China's prestige, since Chinese forces had fought the U.S. military to a stalemate
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U.S. defense spending increased dramatically and stayed high for decades
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Japan benefited economically from American defense contracts during the war, accelerating its postwar recovery
Why this matters: Korea established the basic pattern of Cold War proxy conflicts. A regional dispute (Korean partition) was militarized by the superpowers. The U.S. fought through alliances and UN cover. China intervened to prevent a clear U.S. victory. The conflict ended in stalemate rather than victory. Maria should treat Korea as the prototype for Vietnam and other Cold War proxy wars.