What is the purpose of the obelisk of senusret?

Which statement best summarizes the global depression?

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

When and why did the united states enter world war 2