Why did small states fear the virginia plan?

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?

Who was saul? explain his relationship to david and the importance of david to both christians and jews.

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.