What Was One of the Major Reasons for the Changing

What was one of the major reasons for the changing attitude toward poverty, crime, and insanity in the early nineteenth century?

A) Factory owners wanted deviants locked up.
B) There were no longer enough jails to hold all the criminals.
C) Americans began to believe that human nature could be improved.
D) Americans began to believe that penitentiaries, workhouses, and insane asylums were counterproductive.
E) The early nineteenth century was a period of uncertainty, anxiety, and anger.