B the answer is b the south was primarily an agricultural region that relied on the north's textile mills but also on the trade connections with the British.
I believe C is the answer
Hope this helps you
The primary way that farms in the south differed from those in the north is because the farms of the south raised cash crops using a plantation system
Answer:
Telegraph
Explanation:
Before the invention, information had to be send by horses, boats, trains, and any other transportation. This would take very long and it was ineffective for a lot of train stations. If a locomotive had to abort a departure than the communication would take a long time and it was usually by horses. After the telegraph was made this helped the train station be more effective by knowing exactly when the trains would go to which station. This made the stations much more smoother and have more departures and less waiting time for the people boarding on to them.