The first christian roman emperor was: constantinople diocletian augustus constantine

Read the following excerpt from franklin d. roosevelt’s “day of infamy” speech. which line reveals the purpose of the speech?

Select all that apply. in the australian empire, what group(s) wanted to establish an autonomous state? greeks czechs hungarians ottoman turks

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.