Presidential Image Gallery

Polk and Manifest Destiny

November 30, 1847
Source: The Library of Congress

During the presidency of James Knox Polk, the United States grew by more than a million square miles, adding territory that now composes the states of Arizona, Utah, Nevada, California, Oregon, Idaho, Washington, much of New Mexico, and portions of Wyoming, Montana, and Colorado. More than any other President, Polk pursued Manifest Destiny to spread the United States across North America.

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