One Significant Difference Between the Confederacy and the North Was

One significant difference between the Confederacy and the North was that

A) southerners initially romanticized the war, expecting a swift end, but northerners more realistically expected a long and ugly struggle.
B) the South became poorer, while the North tended to prosper.
C) the South had to resort to a draft, while the North was able to raise its army from volunteers.
D) fighting for a cause, the South sustained a strong sense of morality and discipline, while the perils and profits of war undermined the moral order of northern society.