what land did the us gain after the mexican-american war?
The war resulted in both countries signing the Treaty of Guadalupe Hidalgo in 1848. Known as the Mexican Cession, the United States purchased land west of the Rio Grande. This area was the present states of California, Nevada, Arizona, Utah, western Colorado, and New Mexico. In 1853 the Gadsen Purchase allowed the United States to acquire far southern Arizona, and New Mexico.