If mexico remained part of the united states, what region would this country be located?

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

Answer collision and mountain formation;

100% tortilla. it is the only possible answer