Causes & Start of the War
War Strategies & Technology
Trench Warfare
Major Battles
Russia & U.S. Involvement
100

This term describes ideas spread to influence public opinion and increase nationalism.

Propaganda

100

This German plan aimed to quickly defeat France by sweeping around Paris.

Schlieffen Plan

100

This was the primary style of fighting on the Western Front.

Trench Warfare

100

This battle stopped the German advance and led to trench warfare.

First Battle of the Marne

100

This country became the world’s first communist state.

Russia

200

There were this many long-term causes of World War I.

4

200

This German naval strategy involved attacking ships without warning.

unrestricted submarine warfare

200

This dangerous area lay between opposing trenches.

No man's land

200

This battle was the longest of WWI and caused massive casualties.

Battle of Verdun

200

This treaty allowed Russia to exit World War I.

Treaty of Brest-Litovsk

300

This event is considered the “spark” that started World War I.

the assassination of Archduke Franz Ferdinand

300

This tactic involved a moving wall of artillery fire ahead of advancing troops.

creeping barrage

300

This condition caused soldiers’ feet to become swollen and infected from wet trenches.

Trench foot

300

This battle first used tanks and resulted in over 1 million casualties.

Battle of the Somme

300

Russian citizens felt this way about continuing the war after the February Revolution.

widely unpopular (they didn't like it)

400

This group was responsible for the assassination that sparked the war.

The Black Hand

400

Machine guns used this feature to prevent overheating during battle.

water jacket

400

Trenches were typically about this deep and this wide.

about 8–10 feet deep and 5–7 feet wide

400

This battle saw Germany surround and defeat Russian forces.

Battle of Tannenberg

400

This British ship was sunk and resulted in the deaths of 128 Americans.

Lusitania

500

This 19-year-old carried out the assassination of Franz Ferdinand.

Gavrilo Princip

500

This German tactic focused on fast attacks at weak points rather than full-line assaults.

stormtrooper (storm troop) doctrine

500

Machine guns were often placed here in trenches for maximum effectiveness.

trench corners

500

This was the largest American-led offensive that helped end the war.

Meuse-Argonne Offensive

500

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

Zimmerman Note