Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Which of the following systems of trade was most widely used in both ancient river civilizations and ancient Native American civilizations?

bartering
the exchange of coined money
free exchange
international trade

This amendment made cuba an american protectorate and forced cuba to cede guantanamo bay to the u.s.

In terms of territory won in the french and indian war, which of the following is a true statement? a. england won the most territory as a result of the war. b. france won the most territory as a result of the war. c. spain won the most territory as a result of the war. d. england, france, and spain all won an equal amount of territory as a result of the war.

In what is known as the great migration, large numbers of african americans moved from the rural south to northern cities, beginning in the early twentieth century. what motivated this large-scale movement?