Can someone please help I don’t get this

How were the economies of the northern and southern states different? how ere they the same? what factors led them to develop differently?

What is the greatest challenge to the palestinian authority government in israel? a) territorial size b) lack of citizen participation c) disputes among parties d)threats from arab forces

Which at first gave the south an edge in the civil war? a. a better-equipped army b. the invention of ironclad ships c. the drafting of slaves into the army