Which of these advantages in the North helped produce materials needed during the war? Group of answer choices

A)Slave labor

B)Ships

C)The federal bank

D)Factories and industries

A slave labor

Explanation:

I hope I'm right but they used the slaves for everything labor related

united states government;

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.