What were privateers, and how did they help the Americans?

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

One of the person important products for britain's manufacturers was

The national security act of 1947 reflected: