One of the biggest problems that prevents africans from working together is feudalism communism apartheid tribalism

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

What mountain range is located near 60*n and 60*e

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;