According to demarest and conrad, which of the following is not a necessary condition for an empire to fall? a. an overly ambitious desire to expand and conquerb. failures of conquestc. popular rejection of state religiond. revolutions

How does this cartoon represent an argument for the ratification of the constitution

How we’re working women affected after the war

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.