What conclusion and u. s. cotton production before the civil war is supported by the graph

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?

The massacre at sand creek was an attack by a colorado militia on peaceful american indians. a colorado militia on a group of dakota warriors. american indians on peaceful white settlers. federal soldiers on a group of cheyenne warriors.

The talf hartley act of 1947 restricted the rights of