It emphasizes how severely the bubonic plague affected people and how quickly it killed them. ... It suggests that Europe could have easily avoided the plague if they had not let the ship in to the port.
C would have to be your answer because it is the only one that makes the most sense to me right now.
hope this helps
Apartheid, Race, and Human Connection
In My Children! My Africa!, Athol Fugard shows how the apartheid regime reserved wealth and power for white people by dividing South African society along a racial line and ruthlessly exploiting the Black majority. But the racial divide also serves another purpose: it geographically, socially, and politically separates groups of people from one another, in order to try and prevent white people from recognizing non-white people’s humanity and fighting for social equality.