Why did the U. S. take the land back that had been promised to the Native Americans in the Black Hills region of North and South Dakota?

Select all that apply. select all the items that describe a command economy. distribution by the government poor selection of goods high standard of living shortage of goods limited freedom

Which physical subsystem includes the air we breathe

In a short paragraph, describe the transition of rome from a republic to an empire. what was the republic like, and what caused it to become an empire?i have to turn this in tomorrow it would be greatly appreciated