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.
In my opinion, I believe Rockefeller came out with the better deal because Rockefeller's success with Vanderbilt provided him an advantage over others.
hope this helps:))
European. Gold. Those are the answers.
Philosophy because the acient greeks thought the planets were gods to some sort and it was proven right they created the math we use today