What did President Johnson mean by saying
"If he has lost Cronkite, then he has lost the
American people"?

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.

In what ways did the french revolution produce freedom? what were the limits of this freedom?

Who was william jennings bryan? what platform did he run on?