Cities included all of the following economies of scale except ...

[Bernana]

Cities included all of the following economies of scale except
 
  (a) Transportation
  (b) Sanitation
  (c) Crime
  (d) Education

Question 2

A review of U.S. history provides evidence that
 
  (a) class mobility is restricted.
  (b) race and gender barriers simply cannot be dismantled.
  (c) the wealthy and idle rich class has deep and permanent roots in the U.S.
  (d) there are no social barriers that cannot be overcome in the U.S.

[dpost18]

Answer to Question 1

(c)

Answer to Question 2

(d)