Answer:
The answer is actually B. and I hope that this helped you have a great day!
A) The South didn't need to conquer the North to win its independence.
The South was just planning on defending itself till the North grew tired, but the North had to conquer the South to be able to reunite the Union and win the war.
<span>tough power politics with no room for idealism, "the enemy of my enemy is my friend"</span>