Question

Had more population

Answer 1

Should be the north. They relied on factories and railroads before the south did

Answer 2

Answer:

These factors gave an economic advantage to the NORTH in the years leading up to the civil war.

The northern states had more factories and railroads, as they were very much industrialized, and had a bigger population.

This gave them an advantage in the civil war.

Let me know if this  helps!