The 1896 Supreme Court case which resulted in the "separate but equal" doctrine was Plessy v. Ferguson. Plessy v Ferguson allowed state-sponsored segregation in public facilities, such as bathrooms, public school and transportation. Even when this legislation was scrapped, there were groups in the South still fighting for it to be upheld.
The presidential election of 1824 represents a watershed in American politics. The collapse of the Federalist Party and the illness of the "official candidate" of the Democratic-Republicans led to a slate of candidates who were all Democratic-Republicans. This led to the end of the Congressional Caucus system for nominating candidates, and eventually, the development of a new two-party system in the United States. In the election, Andrew Jackson won a plurality of both the popular and electoral vote. But John Quincy Adams became president. Four crucial elements of our election system were highlighted in the election of 1824: the nomination of candidates, the popular election of electors, the Electoral College, and the election of the president in the House when no candidate receives a majority in the Electoral College.
Stable acting government and industry, in which the government protects and provides basic support and a just judicial system with practical set of laws, and the industry is not extremely restricted; allowed to flourished and better the economy of a society. These two elements of a civil society determine whether or not a country is strong as much as prosperous.
The New Right refers in many ways to "a
<span> coalition of political and religious conservatives</span>" in that they sought smaller government and looser social controls.
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.