Used in warfare prior to the First World War, these ditches dug in the ground were common in WWI, and contributed to making it a war of attrition.
What are trenches?
100
Using slogans and imagery, this type of media was used by governments to increase support for the war effort.
What is propaganda?
100
An autocratic ruler who relied on the army and bureaucracy to support his regime; the last czar of Russia.
Who is Czar Nicholas II?
100
The years in which the war took place
What is 1914-1918?
100
Addressing matters between the Allies and Germany, this peace settlement was particularly harsh for the losing country.
What is the Treaty of Versailles?
200
First used in the war by the Germans, this weapon affected soldiers' eyes and lungs.
What is chlorine gas?
200
This term refers to a conflict so massive that it requires an entire society to mobilize to sustain the war effort.
What is total war?
200
Headed by Alexander Kerensky, the provisional government made this serious mistake that further upset both peasants and workers.
What is the decision to stay in WWI?
200
This message, sent from Germany to Mexico, played a significant role in the United States' decision to enter the war.
What is the Zimmermann telegram?
200
One of the newly-created states after the collapse of the Austro-Hungarian Empire, this nation included southern Slavs.
What is Yugoslavia?
300
Used successfully by the Germans, this was used in the sinking of Allied ships, including merchant and commercial vessels such as the Lusitania.
What is a submarine/U-boat?
300
Causing millions of civilian deaths, this pandemic began in 1918.
What is influenza?
300
Originally a small faction of the Marxist party, this group, led by Lenin, seized power in Russia.
Who are the Bolsheviks?
300
This country entered the war on the side of the Central Powers, and during the war, committed genocide against its Armenian population.
What is the Ottoman Empire?
300
President Wilson's plan for the peace settlement, which included provisions for arms limitations, self-determination for all nations, and a general assembly of nations.
What are the Fourteen Points?
400
Seen in battle for the first time during this war, this was used initially just to spot the enemy's position, and eventually was armed with machine guns to attack ground targets.
What is an airplane?
400
Montana's industrial contributions to the war were mainly in these three fields.
What are copper, logging, and wheat?
400
These three factors contributed to the Communists' victory of the Russian civil war.
What is: war communism, revolutionary terror, and appealing to patriotism?
400
Fought in a strategically important location in the Ottoman Empire, this Allied attempt to eventually capture Constantinople ultimately failed.
What is the Gallipoli Campaign?
400
Believing Germany should be punished for the war, France and Britain made these demands for the peace treaty.
What is: Germany taking responsibility for the war and paying reparations?
500
Used by Germany to bomb London, this aircraft was filled with highly flammable hydrogen gas, which the Allies used to their advantage.
What is a zeppelin?
500
Passed first in Montana and then by the federal government in 1918, this act made it illegal to criticize the government or military during the war.
What is the Sedition Act?
500
Following the Russian civil war and World War I, the new Communist state was largely hostile toward the Allied powers for this reason.
What is the Allies fought alongside the anti-Communists in the civil war?
500
Following the devastation of the war, slogans such as these rang hollow for people, as their views and attitudes toward war had changed.
What is "a war to end all wars" or "make the world safe for democracy?"
500
One of Woodrow Wilson's Fourteen Points that was included in the peace settlement; a general assembly of nations.