Answer:
The answer is, it provided trade access to the west coast and Mexico
Step-by-step explanation:
In 1861, inside an effort to control the Southwest U.s country to make it accessible to a Union-holding California, the Confederacy tried to claim to be the south half of the vast New Mexicans Territory and led this same ambitious new Mexico campaign; this was why Texas was the Union but also Confederacy's critical score, given its trade and travel on the west and in Mexico.