I believe they invented sonar equipment to see enemy u boats from Germany
        
             
        
        
        
Answer:
answer number is 2
Each document contains articles about the legislative, executive, and judicial branches.
 
        
             
        
        
        
Answer:
The idea that local governments are the creation of state legislatures is called Dillon's Rule.
 
        
             
        
        
        
That English speaking nation was Australia.