What Happened to Consumer Prices During the Civil War

What happened to consumer prices during the Civil War?

A) The North had an inflation rate of 80%, while the South had an inflation rate of 9,000%.
B) Prices remained relatively stable in both the North and the South because of government controls.
C) The South experienced a drastic downward spiral of deflation, while northern prices skyrocketed.
D) Both the northern and southern economies suffered from crippling declines in prices and wages.
E) Both the northern and southern economies boomed, as prices rose slowly and modestly.