Question

So in the 1840's farming required A LOT of people to do work (slavery). How come they didn't need as many people in 1940?

Answer 1

slavery persisted in Delaware, Kentucky, and on the books in 7 of 11 of the former Confederate states, until the Thirteenth Amendment to the United States Constitution abolished slavery throughout the United States on December 6, 1865, ending the distinction between slave and free states.

Step-by-step explanation:

other then that i don't know