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Aviation
Weaponry
People
Alliances
Events
100
These were used mainly for reconnaissance, but advanced as the war progressed 
What is Airplanes
100
A trench soldiers primary weapon.
 What is Rifles
100
He was assasinated to begin WWI 
What is Archduke Franz Ferdinand 
100
Countries that help other countries during war
What is alliances or alliance systems
100
Germany signed this to stop fighting
What is an Armistice
200
These were used in WWI for artillery spotting.
What is observation balloons 
200
These were mounted to trenches and fired shells that eliminated the enemy.
What is Trench Mortars
200
President of the U.S during WWI
What is Woodrow Wilson
200
France is apart of what alliance group?
What is the Allied Powers
200
The treaty that ended WWI
 What is the Treaty of Paris
300
Machine guns were added to airplanes to develop these kinds of planes
 What is Fighter planes
300
This was fired into trenches by a shell and caused death by suffocation
 What is Mustard gas
300
He was the commanding officer of the AEF during WWI.
 What is John Perishing
300
Germany was apart of which Alliance group?
 What is Central powers
300
A ship that sank that caused U.S. involvement in the war
 What is Lusitania 
400
These Aircraft had a primary role of delivering air strikes and other aerial attacks with greater precision than bombers
 What is Attack Aircraft
400
These were used to cross trenches and destroy the enemy, but weren't very effective until advancements were made to them.
 What is Tanks
400
Came to power in Russia as they left the war 
What is Lenin 
400
The U.S was apart of which Alliance group?


What is the Allied powers
400
A note released that made the U.S. involved in the war
What is the Zimmerman Note
500
These pilots were known as the "knights of the Great War"
What is Aces
500
These were used by submarines to blow up ships carrying goods.
What is torpedoes
500
He was the leader of Germany during WWI
 What is Kaiser Wilhelm
500
The central powers were made up of which countries?
 What is Germany, Austria-Hungary and the Ottoman Empire
500
This German attack lost the war for Germany
What is the Battle of the Somme