Answer:
By making the first world war they united states became war power?
Explanation:
 
        
             
        
        
        
That country would be India.
 
        
                    
             
        
        
        
<span>The Erie Canal allwed for the American Midwest to transport their good via waterway to the port in New York City and then out to the world for consumption via trade. The Erie Canal was the largest civic project the United States built up to that point in time and made settling the midwest much more economical.</span>
        
             
        
        
        
For example, other countries that wanted higher control of various regions started investing in other aspects of warfare such as aircraft building which was not covered in the conference. Japan for example started annexing territory in order to ensure greater control over the Pacific region which was also not forbidden by the conference.