Which statement is true about the middle class in the united states today?
a. the majority of people consider themselves to be in the middle class.
b. it is difficult to define what constitutes the middle class.
c. the class includes people of different races and nationalities.
d. all of the above.

The answer is D, because 'the middle class' truly refers to A, B, and C. Yes, most of the people today do consider themselves to be in the middle class, not rich, but also not poor. It is difficult to correctly define it, because it encompasses many criteria. And a middle class can include everyone. 

Hello there! it relates to no dogs barked because both the father and son learn from one another. the theme has to be love as the father misses his child.hope this you! good luck : )

The answer is true, just look it up on google to verify.