The result of the battle of bunker hill was a/an

Who established a colony on roanoke island? a. francis drake b. edmund spenser c. william shakespeare d. sir walter raleigh

What emperor was given credit for having the aqueducts built

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.