Where did the US acquire as a result of the mexican war?
After Mexico surrendered, they finally recognized Texas as part of the U.S. and accepted the border of Texas and Mexico as the Rio Grande instead of the Nueces River. In addtion, Mexico ceded a large area of land the incorporated present day New Mexico, Utah, Nevada, California, Arizona, Wyoming, Colorado, and Montana. The only land of these states aquired after the war are small parts of California, New Mexico, Arizona, and Montana.
Under Polk, the US added an area in the Southwest , including New Mexico, and California as a result of the Mexican cession which was a part of the treaty that ended the Mexican War. The treaty also ended a dispute over the boundary of Texas. A separate treaty with Great Britain settled the dispute over the northern boundary of the Oregon territory.