Democratic government get their power from the people.
The industrial revolution increased the power and wealth of "factory owners" mostly, but this is a misleading question, since the revolution increased the wealth of practically everyone except the aristocracy.
I think it’s A, i’m not 100% sure so let me know if it’s right or wrong
Through humor such as in the newspapers that made fun of Hoover villes
The answer is A.
Assassination of Archduke Ferdinand