6-1 The Influenza Epidemic of 1918: http://virus.stanford.edu/uda/
6-2 The Roaring Twenties/Teenagers:
http://www.ushistory.org/us/46.asp
http://www.ushistory.org/us/46c.asp
6-3 Prohibition: http://www.ushistory.org/us/46b.asp
6-4 The Scopes Trial: http://www.pbs.org/wgbh/evolution/library/08/2/l_082_01.html
6-5 Charles Lindbergh: http://www.pbs.org/wgbh/amex/lindbergh/filmmore/description.html
Video - National Geographic Across the Atlantic: https://www.youtube.com/watch?v=oR1FkSasydM