Key Players
This country ended their role in the war in 1917 due to civil unrest/revolution.
Russia
He led the American Expeditionary Forces in this war for the United States and wanted to remain independent from other countries' armies.
John J. Pershing
This event is known as the "spark."
Gavrilo Princip assassinates Archduke Franz Ferdinand and his wife in the streets of Sarajevo in Bosnia and Herzegovina.
This new, full-automatic weapon was much lighter and faster with reloading and could fire off around 500 bullets per minute.
machine gun
Wilson's speech about principles that would bring about peace to end the war.
14 Points
This country officially started the Great War by declaring war on Serbia.
Austria-Hungary
He was the most decorated American soldier of this war and was originally a conscientious objector.
Alvin York
The building up of the country's armed forces.
Militarism
Trench warfare was brutal and caused long breaks between fighting. Trenches were built with an area in between forces that was called this.
No Man's Land
This peacekeeping organization was designed to make sure the world remained peaceful. It was rejected by the US Congress and we never joined.
League of Nations
This country brought the United States into the war with unrestricted submarine warfare and the destruction of merchant and passenger ships on the open seas.
Germany
US President during the war who wanted to remain neutral but was forced into war because of unrestricted German submarine warfare in the Atlantic.
Woodrow Wilson
Having another country's back when they are attacked and coming to their aid.
Alliances
These types of weapons were outlawed soon after the war by the Geneva Protocol. It portrays the true horrors of WW1.
chemical weapons (mustard and chlorine gas)
The outbreak of this virus led to soldiers in Europe failing deathly ill and morale plummeted.
The group of countries that included the US, UK, France, Russia, and others were called this.
Allied Powers
This courageous group of soldiers comprised of black Americans saw the most combat of any other regiment.
The pursuit of expanding one's own country by taking over others.
Imperialism
This new war machine held the capability of being able to bomb areas from above.
warplanes
After the war, Wilson suffered this medical emergency and was never the same. His wife presumed much of the Presidential duties since it was kept quiet from many within the White House.
stroke
The group of countries that included Germany, Austria-Hungary, the Ottoman Empire (Turkey), and Bulgaria were called this.
Central Powers
He was part of the Black Hand Serbian Nationalists and is responsible for killing the Archduke of Austria-Hungary and his wife; the spark that started the war.
Gavrilo Princip
A feeling of overwhelming pride in one's own nation.
Nationalism
This new war machine brought the United States into the war when it sank merchant ships and, in particular, the Lusitania.
submarines
This peace treaty ended WW1 and made it so Germany bore the entire brunt of the war, which some believe is a cause of WW2.
Treaty of Versailles 1919