Most would say A but that doesn't matter because a lot of black people come from the south. I'd say it's because more of the HISTORY of the south.
For question 1, Andrew Myrick said " So as far as I'm concerned, if they are hungry let them eat their own dung (dung meaning poop) or grass." That got a lot of people angered.
I'll answer the other 2 shortly.
The Ten Commandments appear twice in the Hebrew Bible: in the books of Exodus and Deuteronomy. The commandments include instructions to worship only God, to honour one's parents, and to keep the sabbath day holy, as well as prohibitions against idolatry, blasphemy, murder, adultery, theft, dishonesty, and coveting.