Which phrase best describes an events " historical content"

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

“i now wished for the last friend,death, to relieve me.” what is equiano referring to?

Which part of the map is the subregion europe