Question

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

Answer 1

I beleive it is bartering

Step-by-step explanation:

because that is what i got after taking the test and it was correct.

Answer 2

It is bartering. I took the test and its right!