An attack
offensive
This is what German submarines were called.
U-boat
to prevent loss or waste
conserve
He sent a telegram to Mexico asking them to fight for Germany if the U.S.A. entered the war.
Arthur Zimmerman
the alliance between Britain, France and Russia
Triple Entante
The U.S.A. government used this system for the first time since the Civil War.
Draft system
nationalism
He became the head of the Communist Party and signed a peace treaty with Germany.
Vladimir Lenin
the alliance between Germany, Austria-Hungary, and Italy
Triple Alliance
The Lusitania was this type of ship.
Passenger
disloyalty towards one's own country, especially betrayal by plotting against it or aiding enemies of it
treason
He was the commander of the Allied troops.
Ferdinand Foch
The alliance between Britain, France, Russia, Serbia, and other nations during World War I
Allies
This was the largest sea battle of World War I.
Jutland
an explosive that travels underwater to its target
torpedo
He was the commander of the American Expeditionary Force during World War I.
John J. Pershing
the alliance between Germany, and Austria-Hungary at the beginning of World War I, later joined by the Ottoman Empire and Bulgaria
Central Powers
This country was responsible for the shooting of Archduke Francis Ferdinand and his wife.
Serbia