They made most of there money growing crops such as tabbacco, cotton, and lumber.
#1 would be C.
#2 would be B.
Good luck :D
The DLFF
The use of slaves was reduced, because immigrants could fulfill the same roles as slaves in factories.
Many people were mining for gold, silver, and oil during the 1800s to gain wealth and fame. So there were definitely many miners during the 1800s. Many people needed to put their valuables in banks. So there were also a lot of bankers, doctors, lawyers, ministers, and many other "White Collar" jobs.