The us sent troops to aid rebel military groups in which of the following nations during the 1980s?

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 two advances did europeans borrowed from china

What was the significance of the battle of saratoga