military leaders
this British field marshal commanded the British Expeditionary Force for much of the war.
douglas haig
This 1914 battle stopped the German advance toward Paris.
first battle of the marne
germany, Austria-Hungary, and the Ottoman Empire formed this alliance.
central powers
Soldiers commonly fought from these defensive systems dug into the ground.
trenches
the assassination of this Austrian archduke triggered the chain of events leading to war.
franz ferdinand
This German general became famous for victories on the Eastern Front.
paul von hinderberg
This battle became one of the longest and bloodiest in history, lasting most of 1916.
battle of verdun
Britain, France, and Russia were part of this alliance.
triple entete
This weapon was first used on a large scale and caused terrible injuries through poisonous fumes.
poison gas
.This system of competing alliances helped turn a regional crisis into a world war.
alliance system
This French commander led Allied forces during the final offensives of 1918.
ferdinand foch
his 1916 battle on the Western Front saw over one million casualties.
battle of the somme
his country joined the Allies in 1917 after years of neutrality.
usa
These armored vehicles first appeared in battle in 1916.
tanks
his 1919 treaty officially ended the war with Germany.
Treaty of Versailles?
his American general commanded the American Expeditionary Forces in Europe.
john j pershing
his naval clash between Britain and Germany was the largest sea battle of the war.
battle of jutland
This empire ruled much of southeastern Europe and its heir's assassination sparked the war.
austria-hungary
erman U-boats were a type of this military vessel.
submarine
This international organization was created after the war to promote peace.
league of nations
This German general worked closely with Hindenburg and helped direct Germany's war effort.
Erich Ludendorff?
his 1918 offensive helped bring the war to an end and involved large numbers of American troops.
meuse argon offensive
This empire entered the war on the side of the Central Powers in late 1914.
ottoman empire
This aircraft type was used for scouting, bombing, and aerial combat.
airplane
Historians often argue that the harsh terms of the Treaty of Versailles contributed to this later global conflict.
ww2