FC: The War
1: Trench Warfare A war tactic in which facing armies dug deep ditches to protect against enemy fire. It held the German's back from attacking Paris.
2: No Man's Land Area between the trenches that was protected by machine guns and barbed wire. It made a large space for fighting.
3: Machine Gun Mechanical weapon that shot bullets 600 times a minute It made defending no man's land easier and killed enemies faster.
4: Poison Gas A chemical weapon used by both sides in world war 1 to kill more people. Killed even more people than machine guns already were.
5: Tank A large armored vehicle which moves with treads and is equipped with a cannon. (A new invention in World War 1.) They were not very reliable, but they scared the German's.
6: Attrition The process of weakening the other army by killing or capturing soldiers. Used to try and weaken the other side.
7: Unrestricted Submarine Warfare (Included Info on U-Boats) A war tactic of sinking ships of any kind, even passenger ships and U-boats without warning. Made ship traveling very dangerous.