I believe the answer is "sectional tensions"
It did help lower shipping costs, and it did bring prosperity to towns, so it's either A or C, and I'm pretty sure it helped unite the growing country.
The United States had to organize industry in order to support our military's efforts in the war. The board was created to provide the necessary control and coordination.
Answer:
The role that geography played in the development of Athens as a dominant power among the cities states of ancient Greece was that its location along the Aegean Sea helped Athens establish a powerful Navy and booming trade
Explanation:
