The answer is B. Advocacy Journalism. B is the answer because advocacy journalism is intended to be factual, and distinguishable from propaganda.
In general, tribute and neutral rights affect shipping in that some ships and cargo holds must pay fines to dock in certain harbors, which discourages trade.
Slaves were considered property. Their owners wanted to restrict their freedom so they wouldn't be as likely to escape.
Although reconstruction brought new educational opportunities to black Americans schools Were still largely segregated.