Causes
People
Alliances
Warfare
Misc.
100

A policy of glorifying military power and keeping a standing army always prepared for war

What is militarism. 

100

President of the United States during the war.

Who was Woodrow Wilson

100

Germany, Austria-Hungary, and others made up this Alliance. 

What were the Central Powers or Triple Alliance

100

A large portion of the fighting took place dug into these. 

What were trenches or trench warfare
100

What is (was) information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

What is propaganda.

200

Agreements between nations to aid and protect one another

What are alliances 

200

This person's assassination caused the war. 

Archduke Franz Ferdinand 

200

France, Great Britain, Russia and others made up this alliance. 

What were the Allied Powers or Triple Entente.
200

This weapon's deadly rapid rate of fire changed tactics on the ground and in the air. 

Machine gun

200

The meeting in Paris at the end of the war to decide which direction Europe would go and what terms of war would be. 

What was the Treaty of Versailles 

300

A policy of extending a country's power and influence through diplomacy or military force.

What is imperialism

300

This person was the assassin of the Archduke of Austria-Hungary. 

Who was Gravilo Princip

300

The United States entered the war on this side or this alliance. 

What were the Allied powers or Triple Entente

300

This new technology was being used in warfare for the first time flying high. 

What was the airplane. 

300

This country was blamed for WWI. 

What was Germany. 

400

A strong feeling of pride in and devotion to one's country

What is nationalism

400

WWI soldier who later used the terms of Treaty of Versailles as propaganda for his rise to power in Germany.

Who was Adolf Hitler

400

Serbia was an ally of which larger power (neighboring country) causing the conflict to spread. 

What was Russia 

400
Germany used these effectively to terrorize the high seas during WWI.

What were U-Boats or submarines. 

400

The term used for soldiers who suffered from PTSD and other ailments, such as uncontrollable shaking as result of combat. 

What was "shell shock" 

500

The "spark" or event that started the war. 

Assassination of Franz Ferdinand. 

500

The prime minister of France during WWI who wanted to punish Germany. 

Who was George Clemenceau 

500

This theory of how the war escalated so quickly through alliances that means "a cumulative effect produced when one event initiates a succession of similar events" 

What is the domino effect. 
500

This "revolution" led to advancements in manufacturing and production that helped mass produce new weapons. 

What was the Industrial Revolution. 

500

The act passed by Congress in 1917 authorizing a draft of men for military service

What was the Selective Service Act.