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50 Years Ago: The Cuban Missile Crisis - In Focus - The Atlantic - 3 views
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The American Colonists Library - Revised and Updated Edition | The Best Schools - 6 views
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Interactive map: The Spread of U.S. Slavery, 1790-1860 - 13 views
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1970s united states history - 5 views
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The U.S. Economy in the 1920s - 9 views
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Animated interactive of the history of the Atlantic slave trade. - 10 views
Presidential Papers of Dwight Eisenhower - 8 views
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Beyond the Bubble - 22 views
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Old Maps Online - 20 views
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