Water features that might have promoted trade and the movement of goods around the americas

There are many water features that have promoted trade and the movement of goods around the Americas. The ocean, and in particular the Atlantic one, is one of these, as it allowed for trade to take place between Africa, Europe and the Americas. Moreover, many rivers within the continent have been significant in allowing for trade of goods among many peoples. Some of these rivers are the Mississippi, the Bravo or Grande and the Amazon.

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.

the crusaders are identified in the painting;

c. by the red crosses on their backs