Edward Pollard-In His Book the Lost Cause , Published Just

Edward Pollard-in his book The Lost Cause , published just one year after the Civil War ended-argued that the real reason the Civil War happened was:

A) northern aggression against the South.
B) political bias toward the North.
C) the South's desire to maintain slavery.
D) old hatred between the North and the South.
E) the North's desire to end slavery.