European nations practiced imperialism that led to tensions due to this reason.
What is competition for Africa and Asia?
100
Due to a stalemate between sides, these stretched across Europe for miles and participants in the war were separated by a "no man's land" of barbed wire.
What is trench warfare?
100
Allowed soldiers to fire hundreds of bullets in seconds.
What is the machine gun?
100
Americans sacrificed on "meatless Mondays and wheatless Wednesdays".
What is rationing?
100
The Bolshevik or Communist Party gains power over the czar in Russia.
What is the Russian Revolution?
200
Term for building arms and a focus on military power.
What is militarism?
200
Attacking merchant ships to disrupt British supply lines, these battles outraged neutral nations.
What is unrestricted submarine warfare?
200
An armored vehicle that could carry soldiers through the front cutting down soldiers in the field.
What is a tank?
200
Americans helped fund the war by buying these in the war effort.
What are Liberty Bonds?
200
Leader of the Russian Revolution and Bolshevik party.
Who is Lenin?
300
Intense loyalty to one's nation. A nation is a territory where the people share a common language, history, ethnicity, values, and beliefs.
What is nationalism?
300
This battle was the longest of the war, was waged between February to December 1916, and led to the death of almost one million men for 1/2 mile of territory.
What is the Battle of Verdun?
300
A savage and deadly wepon, it could kill hundreds with a single deadly firing in the enemy's direction. Even the soldiers firing it had to protect themselves from it.
What is poison gas?
300
Governments used this technique to ensure that their citizens supported the war.
What is propaganda?
300
The US Senate refused to ratify this treaty ending WWI.
What is the Treaty of Versailles?
400
The "spark" that ignited the war.
What is the assassination of Franz Ferdinand?
400
This passenger ship was sunk by a German submarine killing Americans onboard. While the British were secretly carrying weapons, the Germans got a media "black eye" from the event.
What is the sinking of the Lusitania?
400
Never before had soldiers had to protect themselves from the sky!
What is the aeroplane?
400
During the war, jobs were available and African Americans filled those jobs in northern cities.
What is the Great Migration?
400
Senate Republicans in the US viewed this organization as something that would entangle Americans in European affairs.
What is the League of Nations?
500
This nation was a natural ally of the Serbs and began to mobilize due to its vast size leading other nations to jump to war readiness.
What is Russia?
500
One of the most famous notes in history because the Germans sent a coded message promising Mexico that they could have lands back from the US when Germany won the war.
What is the Zimmerman Note?
500
On the seas, sailors may not see this weapon coming!
What is the submarine?
500
President Wilson advocated open trading on the seas, free trade, and self-determination for nations, along with a League of Nations.
What is the Fourteen Points?
500
Many historians believe that WWI led to WWII due to this factor that led to a global depression.