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A Bloody Stalemate - Coggle Diagram

- - - - Named after its designer, general Alfred von Schlieffen
        
        The plan called for attacking and defeating France in the west and then rushing east to fight Russia.
- - - - German chemists also developed chemical weapons such as poison gas, which military strategists hoped could help them win quickly
        
        By 1915 the war took to the skies when fighter planes were developed
        
        All of these innovations increased the number of casualties at the front.