James K. Polk (term 1845-1849)
President Polk offered to buy New Mexico and California from Mexico.
California and the Southwest.
president james polk
He waged war against Mexico. This conflict is known as the Mexican-American War (1846-1848).
Polk's goal was simple. He wanted a country which stretched from sea to shining sea. By supporting Texas, a future conflict with Mexico was assured, and the US could then acquire Mexican territory between the US and the Pacific Ocean.
James Polk.
Under Polk the US gained the states that became California, Nevada, Utah, Arizona and New Mexico.
President Polk sent troops to Mexico to seize the Oregon Territory, which began the Mexican War that the U.S. ultimately won to acquire Oregon.
James K. Polk
Abraham Lincoln.
As Commander in Chief, he sent armed forced into territory claimed by both the U.S and Mexico.