Oregon Trail: https://archive.org/details/msdos_Oregon_Trail_The_1990
Class high score- Karsin M, 2223
9-1 Westward Expansion/Lewis & Clark:
http://www.ushistory.org/us/21a.asp
http://www.ushistory.org/us/21b.asp
9-2 The War of 1812: http://www.ushistory.org/us/21e.asp
9-3 Tecumseh: http://www.nps.gov/pevi/historyculture/tecumseh.htm
9-4 Early American Industry/Cotton:
http://www.ushistory.org/us/22a.asp
http://www.ushistory.org/us/22b.asp
9-5 Denmark Vesey: http://www.pbs.org/thisfarbyfaith/people/denmark_vesey.html
9-6 Andrew Jackson: http://www.whitehouse.gov/about/presidents/andrewjackson
9-7 Trail of Tears: http://www.ushistory.org/us/24f.asp
9-8 Nat Turner: http://www.pbs.org/wgbh/aia/part3/3p1518.html
9-9 The Oregon Trail: http://www.digitalhistory.uh.edu/disp_textbook.cfm?smtid=2&psid=3251
9-11 Bleeding Kansas: http://www.pbs.org/wgbh/aia/part4/4p2952.html