8. Which of these is not a requirement of a civilization?
A. Specialized Workers
B. Record Keeping
C. Weak Technology
D. Complex Institutions

Which of the four planes was hijacked first? a.flight 175 b.flight 77 c.flight 11 d.flight 93

What did roosevelt believe was a common cause of both bank runs and the great depression?

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.