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WORLD WAR I: CAUSES AND ALLIANCES image - Coggle Diagram

- - - - Hostile
        
        Prussia seized Alsace-Lorraine
        
        Nationalist tensions in Balkans
        
        Serbia fought for
        
        Independence
        
        Expansion
        
        Supported by Russia
        
        Rival of Austria-Hungary
  - - - Germany at disadvantage
    - - 2nd German Empire
        
        Europe's main industrial economic power
        
        Claimed its own colonial territories
  - - - Protect interests
        
        Armed Peace
      - Seek alliances
      - No international organisation to discuss conflicts
  - - - Fundamental role
    - - Machine guns
      - Tanks
      - Armoured vehicles
      - Zeppelins
      - Aiships
      - Lethal mustard gas
- - - - Russia, France, Great Britain
      - Joined by Italy
    - - Germany, Italy, Austria-Hungary
      - Italy later abandoned
        
        Rivalry with Austria-Hungarian Empire
      - Ottoman Empire, Bulgaria joined
        
        War started
    - - Invade Germany, Austria-Hungary
    - - Imperialist ambitions in Asia, Pacific