Causes of WWI
Early War & Alliances
Trench Warfare
Global War & Homefront
U.S. Enters the War
100

This term describes the buildup of armies and a focus on being ready for war.

Militarism

100

This event triggered the start of World War I

Assassination of Archduke Franz Ferdinand

100

This region, including France and Belgium, saw heavy trench fighting.

Western Front

100

This term describes when a country uses all of its resources for war.

Total War

100

This message proposed an alliance between Germany and Mexico against the U.S.

The Zimmerman Telegram

200

This alliance included Germany before World War I began.

Triple Alliance

200

This system caused many countries to be pulled into the war quickly.

Alliance

200

This type of warfare developed because machine guns made open fighting deadly

Trench Warfare

200

These are posters and messages designed to influence public opinion during war.

Propaganda

200

This was a key reason the U.S. entered the war.

Protecting Democracy

300

This region of Europe was known as the “Powder Keg” because of constant ethnic tensions.

The Balkans

300

Germany’s main goal with this plan was to avoid fighting on two fronts.

Schlieffen Plan

300

This term refers to the dangerous space between enemy trenches.

No Man's Land

300

This was the U.S. policy of staying out of the war at the beginning.

Neutrality

300

This country left the war after a revolution and internal collapse.

Russia

400

This acronym summarizes the four major causes of WWI

M.A.I.N

Militarism, Alliances, Imperialism, Nationalism

400

This country resisted Germany’s invasion, helping bring Britain into the war.

Belgium

400

This weapon introduced in WWI caused choking, blindness, and long-term injury.

Poison Gas

400

This German strategy involved attacking ships without warning.

Unrestricted Submarine Warfare

400

This treaty officially removed Russia from WWI.

The Treaty of Brest-Litovsk

500

This country declared war on Serbia, starting the conflict

Austria-Hungary

500

This alliance included Britain, France, and Russia

Triple Entente

500

This was the result of trench warfare where neither side could gain ground.

Stalemate

500

This sinking angered Americans because civilians, including Americans, died.

The Lusitania

500

This is a term for a temporary stop in fighting

Armistice