Key Points:
- After the admitting of Texas into the Union in 1845, the U.S wanted to create a settlement deal with Mexico.
- Mexico declined this offer and the US became very forceful.
- American troops moved toward the border meeting resistance from the Mexicans. (this caused the first conflict of war)
- In the end, Mexico gave up two-fifths of their land and received $15 million from the United States.
- The US granted all the land they gained from Texas to California.
- The war prepared the navy, army, and generals for the Civil War.
- The Mexican American War led to the Civil War.