Causes
People
The Russian Rev.
WWI
Weapons of WWI
100

He was assassinated in Austria Hungary by Serbians, and was one of the direct causes of WWI

Archduke Franz Ferdinand?

100
He was the leader of Germany during WWI
Who is Kaiser Wilhelm?
100

Who was the last czar of Russia?

Nicholas II

100

Northern France and Germany was referred to as this during the fighting of WWI.

What is the Western Front?

100

Vickers and Maxim were types of these, a weapon used during WWI.

Machine guns

200
If a nation is aggressively building their armies and navies, it is an example of this. 

Militarism

200
He was the President of the US during WWI and had a 14 point plan for peace at the Paris Peace Conference
Who is Woodrow Wilson?
200

What was the name of the communist revolutionaries during the Russian Revolution?

The Bolsheviks

200

Which treaty ended WWI?

The Treaty of Versailles

200

Germans used these to engage in "unrestricted" warfare.

U-Boats or submarines

300

Excessive pride in one's nation or ethnic identity is referred to as what?

Nationalism

300

He was the first leader of the Russian revolutionaries.

Vladimir Lenin

300

What was the term for the "working class", coined by Karl Marx?

Proletariat

300
The area in between the trenches was referred to as this
What is no man's land?
300

This was manufactured by the Germans and first used at the Battle of Ypres.

Chlorine gas
400

The Triple Entente was an example of this. 

Alliance

400

What was the name of the man who assassinated the Austrian archduke?

Gavrilo Princip
400

Who won the Russian Civil War?

The Reds (or the Communists or Bolsheviks)

400

The Germans' attempt to gain the support of Mexico and have the Mexicans attack the United States is known as what?

What is the Zimmerman note?

400

The use of these for fighting rather than reconnaissance became more common during WWI.

Airplanes

500

This region of Europe was known as the "powder keg" of Europe.

The Balkans

500

He was a philosopher whose ideas inspired the Russian Revolutionaries. 

Karl Marx

500

The 1917 Russian Revolution is split into two months - which ones are they?

February and October

500

These countries made up the Central Powers (name 3)

Germany, Austria-Hungary, and the Ottoman Empire

500

The "Big Bertha" gun was an example of this class of weaponry.

Artillery