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James K. Polk
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James K. Polk Article

What were James K. Polk’s major accomplishments?

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Pres. James K. Polk oversaw a large territorial expansion of the United States. He advocated for annexation of Texas and aggressively prosecuted the resulting Mexican-American War, which added much of the Southwest and California to the country’s territory. In addition, he acquired the Oregon country through a treaty with Great Britain.

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