Alliances
France made an alliance with this country in eastern Europe, hoping to protect itself from Germany.
Russia
This American president is responsible for the Fourteen Points, and the formation of the League of Nations.
President Woodrow Wilson
The routing of the Russian army by the Germans occurred at this battle; around 200,000 Russians were taken captive.
Battle of Tannenburg
Used for the first time in WWI, it was used primarily for recon but also saw use in "dogfighting."
Airplane
Mr. Unruh's wife is in this profession.
Nursing
Germany and this country had two separate instances of conflict in the African colony of Morocco.
France
Nicholas II
After the Germans invaded this neutral country, Great Britain joined the war.
Belgium
The Maxim machine gun was widely used during the war. This was the primary coolant.
Water
The Pyramid of Greatness contains much wisdom, courtesy of Ron Swanson from Parks and Recreation on NBC. This abomination, however, is the only thing to be listed twice.
Skim milk
Serbia was accused of sponsoring the killing of Archduke Ferdinand, which angered its "big brother" Russia. This empire demanded reparations of Serbia for the assassination.
Austria-Hungary
A Russian revolutionary, he was the first to use Marxist principles in the formation of a government.
Vladimir Lenin
During this battle, the goal of the Germans was not to take the city, but simply to kill as many Frenchmen as possible.
Battle of Verdun
An attack from these weapons usually preceded any ground assault.
Artillery
Mr. Unruh's flag at the back of the classroom has this famous saying on it, allegedly used by the Spartan king Leonidas at the Battle of Thermopylae; it was a response to the Persians demand that they give up their swords.
Come and take it.
After the sending of this telegram, the USA renounced its neutrality and declared war on Germany.
The Zimmerman Note/Telegram
King George was the king of England and ruler of the British Empire during WWI. This number follows his name, signifying where he fell in line with other kings named "George."
V (Fifth)
In an effort to relieve the French of the German assault of Verdun, this country started the Battle of the Somme.
Great Britain
The British first deployed the tank in WWI, but this country was the first to introduce a rotating turret on the top.
France
The sickle and this other tool make up the communist unification symbol of the working class.
Hammer
The Entente Cordial was signed between France and this other country.
Great Britain
The csar of Russia was related to the kaiser of Germany; this was their relation.
Cousin
The Meuse-Argonne Offensive was one of the first large-scale assaults using troops from this country.
United States
Though deadly, it usually malfunctioned and engulfed its two man crew.
Flame Thrower
Theresa May