The American legal system is a common law s<span>ystem, which means that judges base their decisions on previous court rulings in similar cases. 
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I'd say B, because the armada was disrupted. No ships were burnt, but they were broken apart, meaning none returned. I hope this helps!
        
                    
             
        
        
        
Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.