Sources
http://www.america101.us/trail/Sites.html
http://www.nhusd.k12.ca.us/AMS/AMS/manifest%20destiny/lombardpm/we8pl/Map%20of%20the%20Oregon%20trail
http://schools.nycenet.edu/offices/teachlearn/gifted/westwardexpansion_Final_Feb1006.pdf
http://www.teacherwebquest.com/GA/GeorgiaStateUniversity/WestwardExpansionWebQuest/h2.aspx
http://www.ducksters.com/history/westward_expansion/daily_life_on_the_frontier.php
http://www.teacherwebquest.com/WI/CarrollCollege/WestwardHo-Barney/wqr3.aspx
http://eslaudio.blogspot.com/2010/06/lewis-and-clark-expedition-early-1800s.html
http://www.eliwhitney.org/museum/eli-whitney/cotton-gin
http://www.actforclimatejustice.org/2011/05/green-technology-is-not-new-our-forgotten-history-of-electric-vehicles-solar-and-wind-power/
http://www.microsofttranslator.com/bv.aspx?from=&to=en&a=http%3A%2F%2Fwpcontent.answcdn.com%2Fwikipedia%2Fcommons%2Fthumb%2F0%2F02%2FNIE_Reapers_Gallic_Header.png%2F220px-NIE_Reapers_Gallic_Header.png
http://www.nhusd.k12.ca.us/AMS/AMS/manifest%20destiny/lombardpm/we8pl/Map%20of%20the%20Oregon%20trail
http://schools.nycenet.edu/offices/teachlearn/gifted/westwardexpansion_Final_Feb1006.pdf
http://www.teacherwebquest.com/GA/GeorgiaStateUniversity/WestwardExpansionWebQuest/h2.aspx
http://www.ducksters.com/history/westward_expansion/daily_life_on_the_frontier.php
http://www.teacherwebquest.com/WI/CarrollCollege/WestwardHo-Barney/wqr3.aspx
http://eslaudio.blogspot.com/2010/06/lewis-and-clark-expedition-early-1800s.html
http://www.eliwhitney.org/museum/eli-whitney/cotton-gin
http://www.actforclimatejustice.org/2011/05/green-technology-is-not-new-our-forgotten-history-of-electric-vehicles-solar-and-wind-power/
http://www.microsofttranslator.com/bv.aspx?from=&to=en&a=http%3A%2F%2Fwpcontent.answcdn.com%2Fwikipedia%2Fcommons%2Fthumb%2F0%2F02%2FNIE_Reapers_Gallic_Header.png%2F220px-NIE_Reapers_Gallic_Header.png