James Knox Polk

James Knox Polk was the 11th President of the United States, serving from 1845 to 1849. His administration is noted for its significant territorial expansion of the United States, including the annexation of Texas and the acquisition of Oregon and California following the Mexican-American War. Polk was a strong proponent of Manifest Destiny, the belief that the expansion of the United States across the American continents was both justified and inevitable. His presidency is often remembered for its decisive actions that shaped the nation's borders.