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James K. Polk (1795–1849) was the 11th president of the United States, serving from 1845 to 1849. He previously served as the 13th speaker of the House of Representatives and as governor of Tennessee. A protege of Andrew Jackson, Polk was a member of the Democratic Party and an advocate of Jacksonian democracy and manifest destiny. During his presidency, the United States expanded significantly with the annexation of Texas, the Oregon Treaty, and the conclusion of the Mexican–American War.Engraving: Bureau of Engraving and Printing; restoration: Andrew Shiva
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