The Blackfoot consist of three distinct divisions: the Siksika or Blackfoot proper, the Kainah or Bloods, and the Piegan. The entire group is known among its members as the Bloods. Originally from Saskatchewan, in the mid-18th century they drifted into the Montana area in search of buffalo. By the mid-19th century, at the peak of their power, they controlled a vast territory.

The Blackfoot were expert horseback riders, noted buffalo hunters, and fierce warriors. They were feared by other Native American groups and were frequently at war with their neighbors, the Cree, Sioux, Crow, and other tribes. In times of war the three divisions united to defend their lands