Where and how can you see the effects of the Great Depression in the play/book To Kill a Mockingbird?

Absolutlely, the Cunninghams and Ewells represent families
living poorly. The difference of course is that the Cunninghams maintain dignity and
respect despite their poor living conditions. The Ewells do not. Bob Ewell is happy
receiving government checks and then spending it all on alcohol. The community allows
the Ewells to hunt out of season just so the children living in the house can eat.

The Cunninghams, in an attempt to maintain
dignity, repay Atticus for legal services by giving the Finches stovewood and produce
from the Cunningham farm.

One of my favorite
moments is early in the novel when Scout asks Atticus if their family, referring to the
Finches, is poor and Atticus, to paraphrase, replies that indeed, they are; however, the
crash hurt the farmers the most.