Why would scribes and craftsmen be of higher status than farmers

How and why did many southerners attempt to stop the laws congress passed?

What was herbert hoover and the food administration do in wwi?

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.