Key term for AQA GCSE History, used in The Cold War in Asia (1950–1975).
The final 140-mile defensive line in southeast Korea held by UN and South Korean forces in the summer of 1950 to prevent total North Korean victory.
Pusan Perimeter appears in AQA GCSE History revision content for Wider World Depth Studies, especially The Cold War in Asia (1950–1975) and Development of the Korean War.
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