The African empires remained largely as traditionalists and agriculturists. They stayed in their territories working hard to achieve progress. The Swahili city-states were traders and craftsmen. Their culture had been influenced by Middle-Easters and Indian territories. They were able to make dealings with overseas territories which helped them increase their economy.
It is important that the President and Congress work together because without them working together they can't make good decisions, because what they both do involves each other, and they have to work together to make a good decision.
Answer:
(3) prohibition was difficult for police agencies to enforce
B. It could be transported easily on Rivers and turnpikes