In this zone, medieval farmers were able to grow a host of crops, such as wheat, olive trees, and wine grapes. what does this tell you about the climate and soil in this zone?

Which best describes the influence of the national revolutionary party on mexico after the revolution?

Before the civil war, the constitution protected slavery -true -false

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.