I am assuming that you are asking about Mr. Frank. He finds the secret room when he returns at the end of the war.
I THINKKKKKKKKKKKKKKKKKKKK
 
        
                    
             
        
        
        
They have a further reach than just the area they are in.  They can access social media, websites, and news outlets with the internet.  It can save time and money as well.  A wide range of audience is available via the internet.  People in current times seem to be highly influenced by the internet.  Those are just a few ideas that came to mind.  If you have multiple choices, list them.  You can also stick around a little bit and see what others have to say. 
        
                    
             
        
        
        
(P.S. this should be in the math section not in the English one)
The gas ate three quarters of the Mohicans, so they ate 3/4 of 7 kilograms. To know how much they ate, you need to multiply the total number of Mohicans by the proportion ate:
7*(3/4) = 21/4 = 5.25
So they ate 5.25 kilograms from the 7 kilograms.
Hope this Helps! :)