World War I
By: Joon and Ambrose
Causes of WW I
Austeria-Hungary took over Serbia. The "spark" that started WW I is when a Serbian nationalist assasinated Franz Ferdinand. Also, France lost a war to Germany a couple years ago, so they don't like each other.
Technology and Weapons
The U.S. had less than 100 tanks. Tanks are protected metal vechcals.
Poison gas and gas masks
People were worried about the effects of poison gas.
A flamethrower is a device that shoots burning fuel.