World War I

A strong feeling of pride in and devotion to one's country

A policy in which a strong nation seeks to dominate other countries politically, socially, and economically

A policy of glorifying military power and keeping a standing army always prepared for war

Countries having many alliances with other countries, background cause of WWI

An alliance between Germany, Austria-Hungary and Italy in the years before WWI.

A military alliance between Great Britain, France, and Russia in the years preceding World War I.

The Balkans; they had a long history of nationalist uprisings and ethnic clashes. Nowhere was a dispute more likely to occur than on the Balkan Peninsula

Battle that resulted in the beginnings of trench warfare. Forced Germany into a two-front war.

A military alliance between Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire.

Composed of France, Britain, and Russia, and later Japan and Italy, the Allies fought the Central Powers in World War I. The United States joined the Allies in 1917.

In WWI, the region of Northern France where the forces of the Allies and the Central Powers battled each other.

A form of warfare in which opposing armies fight each other from trenches dug in the battlefield.

In WWI, the region along the German-Russian Border where Russians and Serbs battled Germans, Austrians, and Turks.

A policy that the Germans announced on January 1917 which stated that their submarines would sink any ship in the British waters without warning

A British passenger ship that was sunk by a German U-Boat on May 7, 1915. 128 Americans died. The sinking greatly turned American opinion against the Germans, helping the move towards entering the war.