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WORLD WAR ONE - Coggle Diagram

- - - - england
      - japan
      - USA
      - italy
      - france
      - russia
      - romania
    - - germany
      - austria
      - hungary
      - bulgaria
      - ottoman empire
      - new technologies
        
        submarines-warships-aircraft carries-airplaines
        
        16 millions people died
        
        machineguns-chemicals and poisonus gasses
        
        huge levels of carnage and destruction
        
        trenches