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
