Which American Indian culture is considered a single group, even though it was made up of people who spoke different languages? Which of these American Indian groups still celebrates its heritage at powwows?

What kind os source would a historian use to get a firsthand account of a past event

Review the territory. all land from the bighorn mountains down to south dakota territory. what happened to this territory as a result of the treaty of fort laramie in 1868? it was confiscated by the us government, as a consequence for the battle of the little bighorn. it was given to the us government by the lakota sioux, who got reservation lands in exchange. it was gifted by the us government to the lakota sioux, who viewed it as a sacred place. it was allocated for lakota sioux to settle, but the us government maintained mining rights.

What refers to the division of power among the three branches of government