Well, Russia was never in the European Union but Great Britain left the European Union in January 2020
        
                    
             
        
        
        
As a result of the energy crisis, in 1973-1974, U.S citizens became aware of ecology. If not, their environment would be endangered. 
 
 
        
        
        
Answer:
The Union will have a much much larger army, not only because it did IRL, but a third of the confederate population were slaves and were not allowed to fight, and because there is an almost 20% population gap between the two.
Explanation: