Check below for all the answers, although I have not reduced the fractions to simpler terms.
They had this feeling that they couldn’t understand how people could come across as being the nicest people and still be able to so unjust to others.
Back in the 1800’s, cotton was known for making very fertile land in many areas of the south. Since more cotton started to be grown, a demand for cotton started rising as so did the demand for slaves. The slaves in the south would regularly work in the fields, obtaining cotton which also made them very valuable.