In His Book,The Lost Cause,published Just One Year After the Civil

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

A) northern aggression against the South.
B) states' rights.
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.