WW I Trench Warfare Game
http://www.bbc.co.uk/schools/worldwarone/hq/trenchwarfare.shtml
Other Great Sites
http://www.mrdowling.com/706wars.html
www.bbc.co.uk/history/worldwars/wwone
www.firstworldwar.com
www.eyewitnesstohistory.com/w1frm.htm
PBS site:
Alliance Map
http://wps.ablongman.com/wps/media/objects/262/268312/art/figures/KISH_26_586.gif