Work Citied

http://en.wikipedia.org/wiki/Trench_warfare

http://www.harris-academy.com/departments/history/Trenches/Joanna/joanna1.htm

http://techcenter.davidson.k12.nc.us/group9/airwar.htm

http://www.google.com/imgres?imgurl=http://sanseverything.files.wordpress.com/2008/11/trench-warfare.jpg&imgrefurl=http://sanseverything.wordpress.com/2008/11/11/there-died-a-myriad/&usg=__okBLkOUpc_XYa9pDs-rmGcUMhXk=&h=403&w=387&sz=19&hl=en&start=0&zoom=1&tbnid=HKX4r1YVxP934M:&tbnh=162&tbnw=164&ei=BNulTYLEBOi20QGGnqzmCA&prev=/images%3Fq%3Dtrench%2Bwarfare%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D1259%26bih%3D839%26tbm%3Disch&um=1&itbs=1&iact=rc&dur=344&oei=BNulTYLEBOi20QGGnqzmCA&page=1&ndsp=20&ved=1t:429,r:0,s:0&tx=110&ty=52

http://www.google.com/imgres?imgurl=http://blogs.plos.org/retort/files/2010/12/trench-warfare.jpeg&imgrefurl=http://blogs.plos.org/retort/2010/12/25/the-science-of-the-christmas-truce/&usg=__sPTtMte4hLoa2DW1LzklToD7d3U=&h=312&w=405&sz=43&hl=en&start=0&zoom=1&tbnid=zfst8-ScbEBp1M:&tbnh=158&tbnw=221&ei=P92lTdKqCuri0gGF8pTZCA&prev=/images%3Fq%3Dtrench%2Bwarfare%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D1276%26bih%3D839%26tbm%3Disch&um=1&itbs=1&iact=rc&dur=156&oei=P92lTdKqCuri0gGF8pTZCA&page=1&ndsp=20&ved=1t:429,r:10,s:0&tx=128&ty=121

http://www.firstworldwar.com/features/trenchlife.htm