Is a region of early hispanic settlers. it had the largest hispanic population in 1821 and now contains the state of new mexico.

Borderlands

Explanation:

The borderlands were the early Hispanic settlers of the region. The regions included New Mexico, Arizona, Texas, and California. The first Europeans to settle permanently in these areas were from Spain. Hispanic settlers populated in these places where they engaged in ranching and farmers. They considered being excellent horsemen. By 1821, when Mexico gained its independence from Spain, they became the largest population in which now we knew New Mexico.

the answer would be b).