Rules: Don't eat-backtalk- or talk-
dont throw things- no passing notes-ext.
This overview of the event known as the transatlantic slave trade shows a ... the notion of racial inferiority was used by Europeans to justify the enslavement of millions of Africans. ... From the European point of view, slave labor was crucial for economic ... African laborers toiled from sunup to sunset under grueling conditions
Cost of goods is your answer
Due to the deaths of most of the population, "ordinary farm workers, who had been forced into serfdom previously, shot up by 50%. More bullion among a smaller population meant more wealth across all classes and because the same land was in use and it was now plentiful, it resulted in technological advances as well." - Hank Campbell (found at Science20.com)
About a third of the clergy fell to the Black Death, making answer a. unlikely.
I never found any information stating Peasants migrated into cities for medical care, making answer b. unlikely.
Lower classes benefited from the Black Death economically, therefore c. is my final answer.
Doctors at this time knew nothing about how to cure disease, they also made little to none advancements. Answer d. is very wrong.
