The answer is Civil Rights Act of 1964, which barred discrimination on race, color, religion, national origin and sex.
Lincoln did not want to see slavery expand. Douglas believed in popular sovereingty, hope this helps!!!
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.
The first recorded declaration of Human right is called the cyrus cylinder. Cyrus cylinder was written at 539 B.C which located in Persia. It consist of several fragments that write the basic Human Rights of the people, which became the first recorded declaration of human right<span />
"Yick Wo v. Hopkins, 118 U.S. 356 (1886), was the first case where the United States Supreme Court ruled that a law that is race-neutral on its face, but is administered in a prejudicial manner, is an infringement of the Equal Protection Clause in the Fourteenth Amendment to the U.S. Constitution.