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President James K. Polk, who served from 1845 to 1849, promised to annex both Texas and Oregon as part of his expansionist agenda. He successfully oversaw the annexation of Texas in 1845 and settled the Oregon boundary dispute with Britain in 1846, securing the territory for the United States. Polk’s policies were driven by the belief in Manifest Destiny, the idea that the U.S. was destined to expand across the continent.

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1mo ago

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