Why is that the poorer sections of town are always in the south or in the east? It happens too many times to be a coincidence.

Chicago (south)
Hamilton (east)
London, UK (south, east)
Toronto (east)
L.A. (east)
Sarnia (south)

I really do want to know.
I'm even reading Jane Jacob's
Life and Death of Great American Cities.

[Now I know!]