What is one advantage that the north to win the civil war?
a. better military leadership when the war began
b. a warmer climate
c. more technological resources
d. growing sympathy for southern culture

More technological resources was one of the advantages that helped the North to win the Civil War. Option C is correct.

The civil war represented a time of great technological change. Inventors and military men created new sorts of weapons, including the repeating rifle and the submarine, that since then, changed the way that wars were fought. Even more important were the technologies that did not specifically were connected to with the war, such as the railroad and the telegraph. Innovations of this kind did not just change the way people fought wars but they also changed the way people lived.

i believe the answer is d.