Answer:
Blackfoot, Arapaho, Assiniboine, Cheyenne, Comanche, Crow, Gros Ventre, Kiowa, Lakota, Lipan, Plains Apache (or Kiowa Apache), Plains Cree, Plains Ojibwe, Sarsi, Nakoda (Stoney), and Tonkawa.
Led israelites out of egypt and got ten commandments
The answer of question 10 is Kansas-Nebraska act
The cotton gin was a machine for separating cotton from its seeds.
