The Battle for Fort Sumter did which of the following?

Question

Gave the Union control over the Mississippi River

Demonstrated the superiority of the Union's military leaders

Gave the Confederacy possession of an important military base

Stalled the momentum of the Confederate invasion of Union territory

I think A

Answer 1

Fort Sumter is not near the Mississippi River.

Answer 2

It's C I looked over it after I chose A

Answer 3

C is right.