Answer:
Weaponized Assault Penguins :D
Explanation:
 
        
                    
             
        
        
        
The one saying the puffer fish and frog use it for defense while the octopus uses it to hunt
        
             
        
        
        
Answer:
i think it might be the system of public works
Explanation:
bridges and highways are public transportation I don't think they would work on military bases. railroads and air travel would make sense but public works covers everything. let me know if you got it right.