I believe that the best answer for this question is Baron de Montesquieu. He was a French philosopher who lived in the Age of Enlightenment. He popularized the idea of dividing the government into three separate powers, which is also known as the "trias politica" or the "tripartite system." The three systems that he supported where the legislature, executive, and judiciary systems. Hope this helps.
HUAC. The House Un-American Activities Committee (HUAC<span>) was created in 1938 to investigate alleged disloyalty and subversive activities on the part of private citizens, public employees, and those organizations suspected of having Communist ties.</span>
C makes the most sense to me
The upper class Because they got all the advantages of it with none of the bad of it but that could also be the working class because they got more jobs and were able to find jobs faster and easier depends on what your lesson is focusing on