The Historian Who Wrote "The South [Prior to the Civil

The historian who wrote "The South [prior to the Civil War] grew,but did not develop" meant that

A) the southern population increased, but new technology had bypassed the region.
B) agriculture remained the leading industry of the South, but the plantation system was declining.
C) the South had failed to move from an agrarian to an industrial economy.
D) the South had expanded as a geographic region but had developed little prosperity.
E) the South had created a prosperous plantation system but had not expanded its borders.