Question

In february 1848, the defeated mexicans made peace with the americans. what did the united states get in return for leaving mexico city and paying $15 million?

Answer 1

The United States retained New Mexico and California and kept the Rio Grande as the border of Texas.

Answer 2

In return for the money, the United States got Texas, California, New Mexico, and large areas of Arizona and Nevada. This was great for them because it worked well with the manifest destiny idea and it enabled them to get to the western coast.