When Was WWI?  World War I Was Fought Between  The United States Entered the War in 1917

Immediate Cause  June Assassination of the Archduke Francis Ferdinand of Austria By a Serb

Long Term Causes  Unification of Germany Upsets Balance of Power System  Tensions in Balkan Region of Europe  Militarism  Alliances  Imperialism  Nationalism

Balkan Powder Keg  Tensions in the Balkan Section of Southeastern Europe  Many Different Ethnic Groups that did not like each other living in this area. Nationalistic Tensions.

German/English Naval Build Up  Germany Tried to Rapidly Build Up its Navy  Naval Build Up turns into Arms Race Between England and Germany.  England felt threatened by German Naval Build Up

“The Guns of August”  Due to System of Alliances The Conflict Between Serbia and Austria Will Eventually Involve: France, Russia, England, and Germany

Chain of Events  Serbian Nationalist Kills the Archduke of Austria.  Austria Issues an Ultimatum to Serbia.  Germany Backs Austria Against Serbia

Chain of Events  Russia Backs Serbia Against Germany and Austria  France Backs Russia Against Germany  Germany Attacks France Through Belgium  Belgium is Allied with England

Answer???  How did Chain of Events Effect the United States?  How was the US involved?

The Sides  Central Powers:  Germany  Austria  Turkey  Allies:  France  England  Russia (Until 1917)  USA (After 1917)

The Sides

Germany’s Plan  Avoid Fighting France and Russia at the Same Time/2 Fronts  Knock France Out Fast and Then Concentrate on Russia  Counts on Speed  Fails and Germany Must Fight On 2 Fronts

The War Changes  The War Initially Moved Very Fast But Boggs Down in Trench Warfare For Most of the War

New Technology  Machine Guns  Submarines  Poison Gas  Airplanes

High Casualties  Trench Warfare  New Technology  Poor Tactics  Lead to High Casualties

Russia  Suffers the Worst Casualties at the hands of the Germans  Germany wants to Defeat Russia So It Can Concentrate on France

Summary  Name 4 New Technologies that caused High Casualties during WWI:  What were the 2 Sides During WWI?