Answer:
I believe China, or Yellow River civilization.
 
        
             
        
        
        
It would be between increased population, a steady stream of agricultural production, and technological advancements. As for the most important one of those three; that would be agricultural production.
        
             
        
        
        
Answer:
create laws for each state
Explanation:
Its B.
 
        
                    
             
        
        
        
Taking action through intersectional