The U.S. expanded due to them winning the war
        
             
        
        
        
Churchill and Roosevelt appointed D.) Dwight D. Eisenhower to lead the invasion on Normandy
        
                    
             
        
        
        
Answer:
It helped enhance the military and give them more options
Explanation:
 
        
             
        
        
        
Answer:
B. States’ rights 
Explanation:
South demanded nullification of right of slaves whereas North opposed it so they fought for these ideas under the "States' rights" because it dealt with how each state wanted things to be done (most times in their own way)