This term refers to the massive increase in military spending which contributed to the arms race.
Militarism
President of the United States during the entirety of World War I.
Who is Woodrow Wilson
This kind of battle tactic almost directly resulted in stationary warfare.
Trench Warfare
American neutrality ended in the aftermath of this ship sinking at the hands of the Germans which led to the death of 1,195 people including 128 Americans.
Lusitania
The name of the treaty that officially ended World War I.
Treaty of Versailles
These secret agreements meant that a continental war would break out in 1914.
Alliances
Emperor of Germany during World War I who was viewed like a God up until the end of the war.
Kaiser Wilhelm
Chemical Warfare resulted in the mass production of these defense mechanisms for soldiers.
Gas Masks
The name of the telegram which led the United States to declare war on Germany and officially enter WWI as an active participant.
Zimmerman Note
An international organization founded after World War I in an attempt to create world peace.
League of Nations
The practice in which European powers competed against each other to obtain land in foreign places.
Imperialism
This was the first major battle of World War I in which casualties were high as both sides were not prepared for the carnage.
1st Battle of Marne
These were used by the German navy in an attempt to create a zone in which British ships could not transport war goods to the European mainland.
Submarines or U-Boats
The plan for peace in the aftermath of WWI proposed by the U.S. President at the time.
Fourteen Points Plan
According to the treaty that ended WWI, Germany was forced to make these payments to allied countries as punishment for their role in the war.
War Reparations
The intense pride in one's country and national interest that led to arrogance in Europe and elsewhere.
Nationalism
This battle resulted in over 1 million casualties and is one of the deadliest battles in all of human history.
Battle of Somme
First used by the British in World War I, these armored fighting vehicles were designed for front-line combat and operational mobility.
Tanks
Russia was overtaken by this form of government in 1917 that led to their withdrawal from WWI.
Communism (Bolshevik)
This disease that spread during World War I killed between 50 million and 100 million people worldwide.
Spanish Flu
This Serbian nationalist assassinated Archduke Franz Ferdinand in Sarajevo, Bosnia in 1914 which officially led to World War I.
Gavrilo Princip
This American General was the leading commander of the American Expeditionary Force (AEF) which contained roughly 4 million American Soldiers.
John J. Pershing
This WWI weapon could fire over one hundred rounds in less than a minute.
Machine Gun
Germany lost World War I in part because this plan which involved an all out offensive failed.
Schlieffen Plan
These four countries were held responsible for trying to structure the world in the aftermath of World War I. They are known as the Big Four.
France, Great Britain, Italy and the United States