Being that the book offers horror I would have been interested in reading it and also learning about the Holocaust because I believe it was quite similar to slavery.
Say for instance you read a children's book when you was younger you tend to have a better meaning of something when you read it several times or simply reading it when you're older.
The separation of blacks in churches played a huge role in their religion because most slaves were very religious and believe one day they would be freed from slavery. To sum things up I guess you can say this is how different denominations came about according to the reading "African Church".
During the 1750's African American slaves still had hatred in their hearts for whites but as time progressed during the 18th century they became a bit more forgiving in a sense.