If the cost of cigarettes is roughly equivalent in the local Mom and Pop store as it is on the reservation, the incentive to travel to Seneca Nation(or other tribe) territory is arguably lost.
General Provisions. (a) For purposes of this order, "affected tribe" means any Indian tribe, band, nation, pueblo, village, or community that the Secretary of the Interior acknowledges to exist as an Indian tribe pursuant to the Federally Recognized Indian Tribe List Act of 1994 (25 U.S.C. 479a), located or with interests in the affected area.
There is the political component where tribe is, was in some cases used interchangeably with nation, nationality, like the Cherokee or Seneca tribes, Seneca nations, Seneca community, nationality.