Answer:
The correct answer is letter "C": class factors.
Explanation:
American sociologist Herbert Gans (born in 1927) in his book "The Levittowners" (1967) concludes after the observation of residents in Long Island (New York) that demographic factors like class, ethnicity, and culture are variables affecting the lifestyle of the neighborhood. In fact, class is the most important of all three that drive the community to success.
