What technology did settlers rely on to help them tame the prairie?

What was the purpose of the federal reserve act

World war i brought increased immigration to the united states from which country? germany france italy mexico

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife