Okay what are the questions so i can answer
The happenings at the second half of the 20th century paved way for a new conservatism movement. The American people at that time thought that "liberalism had gone too far" which could mainly be attributed to the rise of the civil rights movement and the course of the Cold War.
Because like king, some people believed that the war only brought negative things for the country, such as poverty , death, and economic instability.
Meanwhile, some people believe that they're doing the war for the right cause (i.e : destroying communism and other cruelties) , so they chose to oppose king