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The Water's Edge

James M. Lindsay analyzes the politics shaping U.S. foreign policy and the sustainability of American power.

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Secretary of State Dean Acheson speaks from the State Department in Washington on November 29, 1950.
Secretary of State Dean Acheson speaks from the State Department in Washington on November 29, 1950. Associated Press

Did Dean Acheson Unintentionally Encourage the Start of the Korean War?

The secretary of state’s failure to include South Korea within the U.S. defensive perimeter in Asia in a January 1950 speech sparked accusations that he had invited North Korea’s invasion five months later.

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