Which of these statements about a difference between the north and the south after 1820 is false?
a. the north's population grew as immigrants arrived looking for work.
b. the south's economy shifted from agriculture to manufacturing.
c. the north was becoming more urban and industrial.
d. the south saw itself losing its power in congress.

The differences between the North and the South after 1820 was that the North's population grew and was becoming more urban and industrial and the South saw itself losing power in Congress. The statement that is false is that the South's economy shifted from agriculture to manufacturing. The South's economy was made up of their agriculturing ways.