The answer (I believe) is C. Definitely not D, and B. seems unlikely too along with partnerships.
Answer: up
Explanation:
in 1790 there were 100,783 slaves, and in 1860 there were 331,059 slaves
There were many problems farmers faced when they went to settle on the Great Plains. One of the problems was the land. The soil was much more difficult to farm in the Great Plains .they had to make new inventions Steel-tipped plows were invented to help farmers turn over the soil. and the climate was very different
question answered by
(jacemorris04)
A, this is because they have just gone through the Civil War and now they need to reconstruct the land and government