Causes
Alliances
Warfare
Chronological Events
End of War
100

Intense feelings of pride in one's country

Nationalism

100

The country that shortly after its ally Austria-Hungary declared war on Serbia, declared war on allied powers such as Russia and France

Germany

100

Type of warfare common in WWI battles

Trench Warfare

100

The "spark" that is the direct cause of WWI

The assassination of Archduke Franz Ferdinand 

100

The country severely punished after WWI

Germany

200

The domination of one country by another, usually for resources

Imperialism

200
The pre-war "Sick Man of Europe" that allied itself with Austria-Hungary and Germany

The Ottoman Empire

200
A new innovation developed in the late 1800s that helped imperialize Africa and also led to much higher levels of casualties during WWI

The Machine Gun

200

The result of the Black Hand killing a major political figure in Austria-Hungary

Austria-Hungary declares war on Serbia

200

Post WWI Peace Agreement

The Treaty of Versailles

300
A build-up of "arms"

Militarism

300

Alliance consisting of three powers - The UK, France, and Russia

Triple Entente

300

Weapons of mass destruction such as mustard gas or shells containing xylyl bromide first used in WWI

Chemical Weapons

300

The British ocean liner sunk by German U-Boats practicing unrestricted submarine warfare

The Lusitania 

300

The international forum and collective security agreement created by Woodrow Wilson

League of Nations

400

The man assassinated by the Serbian nationalist group known as the Black Hand

Archduke Franz Ferdinand

400

Another name for the powers that made up the "Triple Alliance"

Central Powers

400

The often result of battles involving Trench Warfare

Stalemate

400

Note discovered that led to the US joining WWI

Zimmerman Note/Telegram

400

Name given to the group heading post WWI peace talks which consisted of the UK, US, France, and Italy

The Big Four

500

The application of the theory of Natural Selection to society

Social Darwinism

500

Country annexed by Austria-Hungary in 1908, angering people in places like Serbia

Bosnia-Herzegovina 

500

A military conflict where nations make any sacrifices necessary to win 

Total War

500

Event years after "The Great War" that will occur especially due to Germany's harsh post-war treatment

World War II

500

Conference where countries gathered after WWI to discuss terms

Paris Peace Conference