The "Progressive Era" Can Best Be Described in the Following

The "Progressive Era" can best be described in the following way (s) :

A) There was a movement aimed to rid the nation of widespread corruption in the cities and to "restore representative government."
B) There was a movement to make state governments more responsive to the people and as instruments of social welfare, rather that subservient to corporations.
C) There was a national movement to attempt to subject railroads, industrial corporations, and banks to effective public control.
D) All of the above.