Answer:
In 1848 the United States signed the
✔ Treaty of Guadalupe Hidalgo
with Mexico.
The territory acquired in the Mexican-American War is called the
✔ Mexican Cession
.
The
✔ Gadsden Purchase
was important to the US because it contained territory needed to build a southern railroad route to the Pacific.
Explanation:
These are the answers for all three parts that pop up. I did this just now and these answers are 100% correct.
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