Native American Lands As many already know the U.S.A. Native Americans are a sovereign nations that have certain rights under treaties with the U.S.A. government.  Along the route of the BorderTransportationSystem are both Native American and Native Mexican lands that have to be protected and respected.   There are sacred lands on the Mexican side of the border that are somewhat blocked from use or visits by those living on the American side of the border.  Some sort of agreement needs to be made, and there may even be the possibility of fencing in access to these lands.  The BorderTransportationSystem will cut through Native American and Native Mexican lands, so there has to be a benefit to those living in the vicinity of the border, this can be water for farming or housing, electrical for factories and housing, a tourist stop, etc. From Google... "What is the definition of tribal sovereignty?" "Tribal sovereignty refers to tribes' right to govern themselves, define their own membership, manage tribal property, and regulate tribal business and domestic relations; it further recognizes the existence of a government-to-government relationship between such tribes and the federal government." Index of ... Hia C-eḍ O'odham ("Sand Dune People"), also known as Areneños or Sand Papagos Lipan Apache Band of Texas Native Americans Feel Caught in the Middle Native American Indian tribes in Southern California Native American National Opportunities Tohono O'Odham Nation {Pronounced TOHN-oh AUTH-um}