-What was at least one problem/challenge each of being an antebellum Black free northerner, free southerner and enslaved southerner?

-What was one example of a strength/achievement/advantage/blessing of being a free Black northerner, free southerners and enslaved southerners in antebellum U.S.A.?

-Given the pros and cons of each antebellum Black status, if we were there then which would we have preferred the most; which the least and why?