What did henry george, edward bellamy, and frances willard have in common?

How might a utilitarian person respond to the magistrate and the mob?

Why is the end of the cold war tied to the american domestic economy during this time?

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.