Question

1. what happened to most of the mexican residents of the southwest when the region became united states territory? they stayed and became american citizens. they were forced to give up the spanish language. they decided to move farther westward to california. they gathered their belongings and returned to mexico.

Explanation:

When the Southwest region became U.S. territory after the Mexican - American War, under the terms of the Treaty of Guadalupe - Hidalgo, most Mexican residents who chose to stay in the newly acquired U.S. territory were granted American citizenship. There is no evidence that most were forced to give up Spanish, most did not move further west to California, and most did not return to Mexico.

Answer:

They stayed and became American citizens.