The treaty added an additional 525,000 square miles to United States territory, including the land that makes up all or parts of present-day Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. Mexico also gave up all claims to Texas and recognized the Rio Grande as America's southern boundary.
Oligarchy. It is not monarchy, because that is one supreme ruler. Oligarchies can also appear in businesses when a few companies rule over one type of product (such as airlines)
