The Treaty of Guadalupe Hidalgo established a. The Rio Grande as Texas's southern border
b. New Mexico as a state and Utah as a territory
c. Texas as an independent nation

This treaty, signed on February 2, 1848, ended the war between the United States and Mexico. By its terms, Mexico ceded 55 percent of its territory, including parts of present-day Arizona, California, New Mexico, Texas, Colorado, Nevada, and Utah, to the United States.

Explanation:

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a.   it resulted in widespread unemployment.