A large round object that moves around a star, such as the Sun *

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.

How did president wilson compensate for the reduced government income resulting from his lowering of tariffs? a. he taxed businesses b. he charged federal interest on loans c. he cut government expenses d. he created an income tax

Which is the best description of a political campaign tactic during the ele tion of 1828