I think it is 8 and 9th centuries. I hope it is correct.
Answer:
Most African Americans were sharecroppers after the civil war.
This was a system in which the landowner would allow them work a
piece of land and give them some of the crop produced.
Majority of people worked in farming. So I would say C farming
It is <span>D. Blitzkrieg the guy is correct</span>