USA HISTORY

Detailed explanation-1: -During James K. Polk’s presidency, foreign policy revolved around the U.S. desire for additional territory in North America.

Detailed explanation-2: -Polk wanted to lay claim to California, New Mexico, and land near the disputed southern border of Texas. Mexico, however, was not so eager to let go of these territories. Polk started out by trying to buy the land. He sent an American diplomat, John Slidell, to Mexico City to offer $30 million for it.

Detailed explanation-3: -Polk instructed Slidell to make an offer that the U.S. would pay off Mexico’s debt in order to acquire “Upper California and New Mexico” and would spend as much as $40 million to purchase the land.

Detailed explanation-4: -Under 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.