This term means extreme pride and loyalty to one’s country.
Nationalism
Britain, France, and Russia made up this alliance.
Triple Entente
This term describes a situation where neither side is winning.
Stalemate
This passenger ship was sunk by a German U-boat in 1915.
Lusitania
This agreement officially ended World War I.
What was the Treaty of Versailles?
This was the competition between countries to build up their military strength.
What is militarism?
Germany, Austria-Hungary, and Italy originally belonged to this alliance.
Triple Alliance
The dangerous area between trenches was called this.
No man's land
This secret German message tried to convince Mexico to attack the United States.
Zimmerman telegram
These four leaders were known as the “Big Four.”
Who were Wilson, Lloyd George, Clemenceau, and Orlando?
This is when countries expand power by taking control of other lands.
What is imperialism?
This country switched sides and joined the Allied Powers during the war.
What is Italy
Germany used these deadly gases during WWI.
What are chlorine gas and mustard gas?
This U.S. president asked Congress to declare war in 1917.
Woodrow Wilson
This plan created by Wilson hoped to bring lasting peace.
14 points
This event in June 1914 helped spark World War I.
What was the assassination of Archduke Franz Ferdinand?
This German plan called for defeating France quickly before attacking Russia.
What was the Schlieffen Plan?
These underwater German submarines attacked enemy ships.
U-boats
This American general led U.S. forces in World War I.
Who was General John “Black Jack” Pershing?
Germany was forced to accept blame for the war and pay these.
reparations
This Serbian terrorist group included Gavrilo Princip.
The black hand
This battle stopped Germany’s quick advance into France and led to trench warfare.
What was the First Battle of the Marne?
These new weapons helped soldiers cross trenches and barbed wire more safely.
Tanks
This battle became the first major battle involving U.S. troops.
What was the Second Battle of the Marne?
This international organization was created after WWI to prevent future wars.
League of Nations