What did mexico agree to do under the terms of the 1848 treaty of guadalupe hidalgo?

a. mark the nueces river as the texas boundary

b. pay $15 million to american citizens for claims against mexico

c. give up arizona, new mexico, and southern utah

d. give up all claims to texas above the rio grande?

Mexico, under the terms of the 1848 Treaty of Guadalupe Hidalgo, agreed to the terms laid out and relinquished all of their claims to the areas, (including portions of or all of what we now know as Arizona, California, Colorado, Nevada, New Mexico, Utah as well as Wyoming), that lie above the Rio Grande.