The territory acquired in the Mexican American war is called A gadsden purchase B Mexican cession C treaty of Guadalupe hidalgo

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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answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

d) all choices are correct