The answer is A on edge. It violated the establishment clause because it held a school function at a denominational church, which demonstrates support for a specific religion.
After the World War II and all of the terrors witnessed through it on ethnic and racial basis, the international community was determined that something like that should never happen again, and that all humans are equal and deserve the same rights.
That benefited the African American population in the United States a lot, as they now had the basis and support with which they were able to push through to gain all of the rights they deserve, thus be equal with all of the rest. That led to the formation of multiple organizations for the rights of the African Americans, widespread propaganda, protests, and eventually it gave a positive result, with the African Americans gaining all of the rights they deserved, but also putting the racism aside in the American society.
The answer is definitely D.
MIT defines calculus as the study of change, usually in motion.
Prohibition, the attempt to halt the sale and consumption of alcohol in the 1920's, was unsuccessful. Americans continued to buy and drink alcohol supplied through a wide network of organized crime.
The exodusters left the South to migrate to Kansas and other western states.
