Which physical clue might be the best in proving the existence of a class structure in contemporary American society?

Question

Quizplus · Accepted Answer

Tax returns provide concrete evidence of income and wealth inequality, which are key indicators of class structure in society. They can also reveal patterns of social and economic mobility, as well as disparities in access to education and employment opportunities. While race, gender, and dress may also be indicative of social class, they are not as reliable or objective as financial data.

Which Physical Clue Might Be the Best in Proving the Existence