What connection does that author draw between slavery and skin color? (Paragraph 6)

The passage is called “From America to Africa.”

What does the interaction between the nurse and erkan in paragraph 1 reveal about erkan? erkan is upset because no one believes he has been robbed. erkan is quite angry but he is mostly harmless. erkan is incoherent and won't listen to reason. erkan is a violent man and poses a threat to those around him.