Causes
Complex, oft-changing, and sometimes secret agreements between countries for mutual defense.
What are alliances?
An armored vehicle used to break the enemy's lines.
What is a Tank?
The system of fighting where opposing armies dig in and fire at each other across "no-man's land."
What is Trench Warfare?
The Austro-Hungarian heir whose assassination by Serbian Nationalists kickstarted WW1.
Who is Archduke Franz Ferdinand?
President Wilson's outline of the US goals for WWI.
What is Wilson's Fourteen Points Speech?
The year WWI began.
What is 1914?
This new technology didn't cause as many casualties as it could have due to the quick development of countermeasures, such as masks.
What is poison gas?
The theater of war where Germany, Austria, and the Ottoman Empire fought against Russia and Romania.
What is the Eastern Front?
This US President brought the nation into WWI by asking Congress for a declaration of war.
Who is Woodrow Wilson?
The treaty that officially ended WWI
What is the Treaty of Versailles (1919)?
Support for the interests of one's people (ethnic, linguistic, cultural, ideological) over others.
What is Nationalism?
What is a grenade?
Germany's plan to defeat France quickly by moving through Belgium.
What is the Schlieffen Plan?
The Russian Emporer who abdicated during the February Revolution (First Russian Revolution) in 1917.
Who is Tsar Nicholas II?
What is the League of Nations?
The force evident in pre-war Europe that pushed countries to extend their influence globally through diplomacy and militarism.
What is imperialism?
This decrypted message was a key reason for the US entrance into WWI.
The sinking of this ship in 1915 was a cause for the US's entry into WWI.
What is the Lusitania?
The Marxist theorist who rose to power during the October Revolution (Second Russian Revolution) and became the founding leader of the Soviet Union.
Who is Vladimir Lenin?
This shift in artistic style was, in part, a reaction against the horrors of WWI.
What is the German Navy?
This innovation allowed machine gun fire to be unleashed through an engaged airplane propeller.
What is the interrupter gear?
The longest battle of WWI that demonstrated the conflict as a war of attrition.
What is the Battle of Verdun (1916)?
The German emperor who, after dismissing Chancellor Otto von Bismark, led Germany towards a new course that focused on imperialism and militarism.
Who is Kaiser Wilhelm II?
This treaty in 1918 marked the exit of the Soviet Union from WWI.
What is the Treaty of Brest-Litovsk?