Robert Putnam establishes credibility by beginning with a study to establish his point.
Answer: letter B.
I do not kow how to explain it, I just did it in USA test prep and it was correct :D
Answer:
The contrast created between East Egg and West Egg suggest that the story's conflict will be based on wealth and appearances. The East Egg is the area of "old money," people who has inherited all of their money and are accustomed to a certain standard of living.
Explanation: