In 1848, the United States signed the () with Mexico. The territory acquired in the Mexican-American War is called the ().
The () was important to the US because it contained territory needed to build a southern railroad route to the Pacific.

1] treaty of guadlupe hidalgo

2] mexican cession

3] gadsden purchase

Explanation:

is this even a question? ? : /

q1: artillery

q2: simon bolivar

q3:   their workers and farmers demanded a return to spanish rule.

q4: drafted new constitutions

q5: oligarchies have replaced monarchies