What Did Britain's Ruling Elite Recognize Once the Great Reform

What did Britain's ruling elite recognize once the Great Reform Bill was passed?

A) Prosperity and power is dependent on the success of the middle class.
B) Economic power mattered more to them than political power.
C) The poor had been held down and now deserved political say.
D) War can sometimes lead to great gains for a country.
E) All citizens,regardless of class or gender,deserved the right to vote.