Causes of WWI
This term describes the belief that a nation’s military power is essential and should be aggressively built up.
What is militarism
The area between opposing trenches was known as this.
What is No Man’s Land
Germany’s plan to quickly defeat France before fighting Russia was called this.
What is the Schlieffen Plan
This U.S. president led America during WWI.
Who is Woodrow Wilson
Women who worked with TNT often had their skin turn this color.
What is yellow
This alliance system included France, Russia, and Great Britain.
What is the Triple Entente
Soldiers suffered from this painful condition caused by cold, wet trench environments.
What is trench foot
This 1916 battle was one of the bloodiest in history, with over 700,000 casualties.
What is the Battle of Verdun
Wilson’s plan for peace after WWI was called this.
What are the Fourteen Points
This animal was used to carry messages across battlefields.
What is a pigeon
The assassination of this archduke sparked the beginning of WWI.
Who is Archduke Franz Ferdinand
This type of attack involved soldiers climbing out of trenches to charge the enemy.
What is “going over the top”
The sinking of this British passenger ship helped push the U.S. toward war.
What is the Lusitania
This treaty officially ended WWI and punished Germany heavily.
What is the Treaty of Versailles
This famous Christmas event in 1914 saw soldiers from both sides stop fighting.
What is the Christmas Truce
Germany’s promise to support Austria-Hungary after the assassination was known as this.
What is the “Blank Check”
This deadly gas caused blindness, choking, and severe lung damage.
What is mustard gas
This 1917 telegram from Germany to Mexico was intercepted by the British.
What is the Zimmermann Telegram
This international organization was created after WWI to prevent future wars.
What is the League of Nations
This new invention changed warfare by allowing soldiers to cross trenches and barbed wire.
What is the tank
This crisis in 1908 increased tensions when Austria-Hungary annexed a region Serbia wanted.
What is the Bosnian Crisis
This strategy involved constant shelling to weaken enemy trenches before an infantry attack.
What is artillery bombardment
This 1918 offensive was Germany’s final attempt to win the war before American troops arrived.
What is the Spring Offensive
Article 231 of the Treaty of Versailles is better known as this clause.
What is the War Guilt Clause
This psychological condition, now known as PTSD, was common among WWI soldiers.
What is shell shock