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.

an agreement between 2 or more countries to help each other out in war

Austria-Hungary, Germany, Ottoman Empire

Britain, France, Russia, Serbia, Belgium, later the US and Italy

Fighting with trenches, mines, and barbed wire used in WWI.

Germans victory over the Russians invading East Prussia. This battle sent the Russians retreating eastward.

The German army made a strong advance toward Paris in September of 1914. A coalition of French and British soldiers met the German army at the Marne River in mid-September and fought a battle for position. The British and French were able to push the German army back and prevented Paris from falling to Germany.

Battle fought primarily between France, Britain and Germany over the Belgian city

On western front, both sides along the trenches made a truce of no firing and held church services...met in no man's land...some played soccer (Germans vs. Scots)

The battle began on April 22nd near the key town of Ypres, Belgium. The Germans, in an effort to break through the Allied lines, launched the first major gas attack in the history of warfare. The Allied troops withdraw.

a policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries.

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.

one of the longest and bloodiest battles of the war that the Germans came extremely close to winning until the French received support from the British who helped managed to prevent German infiltration but only after a resulting 750,000 casualties

the Allies launched a major offensive along this river. Aided by a Russian attack in the east that drew off some German soldiers, the Allies hoped to break through the German line of defense. Enormous casualties were suffered on both sides without result.