What tribe of american indians allied with mexico in the mexican-american war and continued their conflict with the united states until 1900?

The answer is Apache from Apex

Apache

Explanation:

After the United States won the Mexican-American War, the country annexed a ceded territory. With it came the conflict with the American Indian Tribe Apache. This is called the Apache Wars, that were a series of conflicts that happened between 1849 to 1886.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.