Answer:
Explanation:The name of the US acquisition is La Mesilla, a region that includes the states of Arizona and New Mexico and is known as Gadsden Purchase, in honor of James Gadsden, United States Ambassador to Mexico and who signed the treaty for his purchase on December 30, 1853.
The reason for this purchase was the creation of a railroad route.
The United States paid Mexico for this purchase the sum of 10 million dollars.