Name That Weapon!

Chlorine, Mustard, Phosgene

• Artillery
• Gas
• tanks
• airplanes

A German plane was called a:

• Camel
• Donkey
• Fokker
• Hindenberg

Originally mounted on Tripods:

• tanks
• mortars
• machine guns

French thought Germans were using this as a "mask" to overtake their trenches:

• gas
• tanks
• artillery
• machine guns

Lobbed shells into the air and then dropped down, preferably into trenches; created massive craters in no-man's land

• artillery
• flamethrowers
• mortars
• canons

Not really effectively used in war until WW2:

• flamethrowers
• tanks
• machine guns
• poison gas

This weapon helped to create a "need" for trench warfare:

• airplanes
• machine guns
• tanks
• mortars

Theoretically, it against the "rules of war" to use this weapon:

• airplane
• machine gun
• poison gas
  poison gas
• flamethrower

This was not originally designed to be used in war and wasn't originally used as "a weapon":

• Flamethrower
• gas
• airplane
• tank

One purpose of this weapon was to terrify soldiers so that they'd abandon their trenches and would then be "sitting ducks" on no-man's land:

• tanks
• mortars
• flamethrowers
• airplanes