Not apart of the South's strategy to win the Civil War? no links please help. I need the answer

it's going to be A.

"Send soldiers deep into the North to increase their morale."

Explanation:

A is the incorrect one because there were no soldiers sent up north. The fighting took place on southern soil.

B is just correct

C is the same reason as A. it's correct because the fighting took place on southern soil

D is correct because France and Britain were dependant on the south for the textile trade and they didn't want to cause tensions