*[https://sgp.fas.org/crs/natsec/R42738.pdf Instances of Use of United States Armed Forces Abroad, 1798-2023], Congressional Research Service R42738, June 7, 2023
*[https://sgp.fas.org/crs/natsec/R42738.pdf Instances of Use of United States Armed Forces Abroad, 1798-2023], Congressional Research Service R42738, June 7, 2023
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*[https://cdn.mises.org/Perpetual%20War%20for%20Perpetual%20Peace_2.pdf PERPETUAL WAR FOR PERPETUAL PEACE], A CRITICAL EXAMINATION OF THE FOREIGN POLICY OF FRANKLIN DELANO ROOSEVELT AND ITS AFTERMATH. Edited by HARRY ELMER BARNES, 1953.
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*[https://cdn.mises.org/Perpetual%20War%20for%20Perpetual%20Peace_2.pdf PERPETUAL WAR FOR PERPETUAL PEACE], A CRITICAL EXAMINATION OF THE FOREIGN POLICY OF FRANKLIN DELANO ROOSEVELT AND ITS AFTERMATH, Edited by HARRY ELMER BARNES, 1953.