Answer:
3-The North had a more industrialized economy
Step-by-step explanation:
The conclusion that can be drawn about the advantages and disadvantages of the North and South at the start of the Civil War is:
"the North had a more industrialized economy"
The economy of the North was based on industry. They were responsible in building factories and also maufactured products to sell. They had greater infrastructure. With the availability of railways, they shipped supplies to the place they needed it most. For the South, they lacked railroad investment.