Which statement is true?
A:A. The South recovered from the war in a single generation.
B:B. The Civil War was the first truly modern war.
C:C. Relatively few people in the North faced any personal losses from the war.
D:D. The Civil War finally settled the conflicts between the North and South.

A is the correct answer

Explain:

You can easily rule out D because there are still conflicts to this day. Now you have it easier to get the right answer. WW2 was the first truly modern war, in the civil war and evem WW1 they still waited to see the whites of peoples eyes before they fired.  And the majority of the battles were actually fought in the north.

c) troops march forward in close formation against newer, more accurate weapons