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.
Labor unrest, the Bolshevik Revolution, and rising racist, nativist sentiment had made Congress wary of allowing poor Europeans who had been exposed to socialist ideas to immigrate.
<span>C:if they settled in a more moderate climate</span>