Answer:
He Put his work in to mathmatics as a scientist
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Answer:
Explanation:
Answer: Government.   With great neutrality 
Industry: read on. 
In fact it was a golden time for Large American companies to do business with Germany. Among them were IBM, General Motors, Ford and General Electric. The government may have been neutral. Industry was not. Germany was just a customer to it.
 
        
                    
             
        
        
        
Hi!I have posted to picture explaining how and why trends change over time.
 
        
             
        
        
        
Soldiers also made dugouts and funk holes in the side of the trenches to give them some protection from the weather and enemy fire. The front-line trenches were also protected by barbed-wire entanglements and machine-gun posts. Short trenches called saps were dug from the front-trench into No-Man's Land.