I know this is old, but the correct answer is D. The answer is part of the jury deliberation.
Answer:
In the 1950s, many minorities were significantly poorer than middle class whites. Since this was before the civil rights movement of the 1960s, discrimination was also still commonplace for minorities. In general, the lives of these people were worse than the lives of white middle class Americans.
In the early 1970s, the post-World War II economic boom began to wane, due to increased international competition, the expense of the Vietnam War, and the decline of manufacturing jobs.
The term used for the series of conflicts in the 1800s is the Indian Wars.
