It's two of them, They were dependant on the USSR and They were neighboring states.
If you have to pick one, it's the first one I said.
        
                    
             
        
        
        
I think that is c because there is 50% chance that it is
        
             
        
        
        
Answer:
An infantry,
Explanation:
Infantry is a military specialization that engages in military combat on foot, distinguished from cavalry, artillery, and armored forces. Also known as foot soldiers or infantrymen, infantry traditionally relies on. They can operate in a wide range of terrain inaccessible to military vehicles, and can operate with War and Society.