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Harry S. Truman holding the NATO Agreement, portrait (B&W)

Harry S. Truman holding the NATO Agreement, portrait (B&W)

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Voters at a polling station in Pittsburgh, 1950. (Photo by FPG/Hulton Archive/Getty Images)

Voters at a polling station in Pittsburgh, 1950. (Photo by FPG/Hulton Archive/Getty Images)

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circa 1955: Headshot portrait of Dwight D. Eisenhower, the thirty-fourth President of the Unites States, who served for two terms from 1953 to 1961. He established the truce that ended the Korean War in 1953. (Photo by Hulton Archive/Getty Images)

circa 1955:  Headshot portrait of Dwight D. Eisenhower, the thirty-fourth President of the Unites States, who served for two terms from 1953 to 1961. He established the truce that ended the Korean War in 1953.  (Photo by Hulton Archive/Getty Images)

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American Democratic politician and presidential candidate Adlai Stevenson (1900 - 1965) during his whistle-stop tour through the Midwest. Original Publication: Picture Post - 8718 - Riding The Whistle Stop With Stevenson - pub. 1956 (Photo by Bert Hardy/Getty Images)

American Democratic politician and presidential candidate Adlai Stevenson (1900 - 1965) during his whistle-stop tour through the Midwest.  Original Publication: Picture Post - 8718 - Riding The Whistle Stop With Stevenson - pub. 1956   (Photo by Bert Hardy/Getty Images)

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Douglas MacArthur address Congress, April 19, 1951. (Photo by Fotosearch/Getty Images).

Douglas MacArthur address Congress, April 19, 1951. (Photo by Fotosearch/Getty Images).