Why did three authors Edward Bellamy, Henery George, and Thorsteun Velblen have in common?

They were much more fond of the ideas of the socialism, and they thought that the socialism will create a much more equal and fair environment for the development and well being of everyone. What did the three authors edward bellamy, henry george, and thorstein veblen have in common?
a. they all said that economic inequality was decreasing.
b. they all believed that the industrial age was bad for america.
c. they all felt that urban life was an improvement over rural life.
d. they all criticized, but ultimately supported, capitalism.

Ithink its c) the conditions in the factory have never been questioned by the employee.