Why did the us economy boom after ww2 facts?

What made the settlement of oklahoma territory different from that of other territories

Who did president kennedy choose to be the director of the peace corps? a. his brother ted kennedy b. his sister jean kennedy c. his brother-in-law sargent shriver d. his sister-in-law joan kennedy

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.