World War I Technology

Poison Gas
Killing capacity was limited, only killing 4% of combats
Left people in agony for days, instead of killing them right away
Gas Masks were created in response to poison gas

Tanks
Ended trench warfare and brought back some mobility to the Western Front
Crossed difficult land with ease
Tanks were made in response to Trench Warfare

Machine Guns
Killed many soldiers at once, because of continuous fire
Soldiers barely got out of the trenches before getting shot down
Trench Warfare was created in response to machine guns