The land that was ceded by Mexico to the United States after the Mexican War was 2. II.
What happened in the Mexican War?
- The United States defeated Mexico and occupied Mexico City.
- In the subsequent peace agreement, Mexico ceded the land shown as II on the map.
This land allowed for several states to be created such as California and New Mexico and so was hugely important to the development of the United States.
In conclusion, option 2 is correct.
Find out more on the Mexican War at https://brainly.com/question/12609518.