What is the common factor in this group of famous georgians? a) they were all members of fdr's "brain trust" during the new deal era. b) they all played major roles in the civil rights movement of the 1960s. c) they are all entrepreneurs who started some of the largest georgia-based corporations. d) they all served as governors of the state during the cvil war and reconstruction eras.

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.