In factories- it was rough, everyone is on a handful of hours of sleep, they barely got paid, and when children were working in the factories, they would hurt themselves a lot.
If you study the declaration of independence closely, it us
clear that the declaration demands rights. And the oppressive regimes of the
world would be unwilling to grant those rights. In order to achieve those rights,
one will have to fight. And that will pave the way for war. It has become
evident now after centuries. United States believed in the rights and freedom
of the people. That had the U.S entering the world wars. All the wars after
that too, were basically based on this very idea. FREEDOM.
Overall, the idea of Manifest Destiny had a strong negative impact on the Native Americans, since its believers thought the US was "destined" to expand from the Atlantic to the Pacific--meaning that thousands of Natives were forced of their land.
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.
