4. some territories predate the u. s. - mexico border , such as the protected lands of the thornton o'odham indian tribe . how do you think the u. s. should handle tribal lands along the border ?

My honest opinion is they should just respect the tribe.That tribe was most likely there longer than we have.If they really needed to deal with them, they should do it in a proper manner.It would be pretty harsh telling someone to all of a sudden leave a place they lived their whole life.Hope this help.