Which of the following was a reason the U.S. went to war with Mexico in 1846?

Question

(1 point)
Responses

to set the boundary of the Mexican border at the Rio Grande River
to set the boundary of the Mexican border at the Rio Grande River

to make Northern abolitionists happy
to make Northern abolitionists happy

to gain more territory from Mexico, including California
to gain more territory from Mexico, including California

to help President Polk keep his campaign promises
to help President Polk keep his campaign promises

Answer 1

The correct answer is: to gain more territory from Mexico, including California.