In the years leading up to the Civil War, the South continued to fall behind the North in all of the following EXCEPT _____.
A)industry and factories
B)infrastructure such as railroads
C)extending the legal right to vote to poor people
D)population
In the years leading up to the Civil War, the South continued to fall behind the North in all of the following except "D) population", since this was before a large number of people moved from the South to the North.