1. Europe Plunges Into War
What alliances form during World War I?

2. I. World War I Alliances
A. Aug 1914: Declarations of war issued (Russia on A-H, Germany on Russia & France)
1. Triple Alliance becomes Central Powers (CP)
a. Named Central Powers after Italy quits because Germany & Austria-Hungary are in Central Europe
b. Fall 1914: Ottoman Empire joins CP to gain back lost territory, 1915: Bulgaria joins CP to gain new territory
2. Triple Entente becomes Allied Powers (AP)
a. Russia, assisting Serbia, looks to France for help. Germans declare war on France, Britain enters war after Germany invades Belgium
b.1915: Japan joins to gain Pacific territory, 1916: Italy joins, claims CP started unjust war

3. II. The Western Front
A. Fought in France, Germany vs. Britain & France
B. Bloody battles due to trench warfare
III. The Eastern Front
A. Fought on border of Russia/Germany/A-H & Balkans
B. Germany & Austria-Hungary vs. Russia & Serbia
C. Known as the frozen front due to cold weather & lack of supplies