I THINK IS E! BUT I THINK ALSO IS B

PLASE HELP 30 POINTS

What do you think was a drawback to this method of calculating distance

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

How would high tariffs hurt america? a. fewer immigrants would be able to move to america b. sales of american products to other countries would go down c. americans would sell more goods to other countries d. goods imported from other countries would cost less