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WORLD WAR 1 - Coggle Diagram

- - - - .
        
        .
        
        1915 Americans joined Britian:
        
        New source
        
        Gave psychological power
        
        Few soldiers
  - - - 1914 Westen front
        
        .
        
        German Schieffer Plan
        
        Attack Belgium, North France, Paris Battle of Marne stop with trenches for years.
    - - 1914 Eastern front
        
        Russian Army attack Germany. Defeats in Tannenberg and Masurian lakes.
  - - - 1916 Tactics of trench Warfare
        
        Break by masses of soldiers
        
        Milions died
    - - 1916 War in the Air
        
        Planes began to attack
        
        Planes fight at each other
        
        Planes for spot enemy's position
        
        Zeppelins to bomb England
- - - - Alied Hungary
        
        Alied Bulgary
        
        .
        
        Alied Ottoman Empire
        
        Central Power
    - - Allied Powers
    - - Alied Hungary
        
        Aliend Bulgary
        
        .
        
        Alied Ottoman Empire
        
        Central Power
  - - - Allied Powers
    - - Allied Powers
    - - Allied Powers