In the day's of Chief: Long Hair, Sore Belly, Grizzly Bear, Plenty Coups, Medicine Crow, Iron Bull, Long Horse, Bear Wolf at around 1800's These four task were not an easy task by no means....1) Touch an enemy, 2) seize an enemy's weapon, 3) lead a successful War party, 4) Steal an enemies horse
Their Enemies were the Blackfoot & Sioux Indians -Formable Fighters and Warriors themselves.........
It would seem that almost all of the Indian tribes were natural enemies and fought and enslaved each other, until they had to unite against a common enemy, the white invaders.