Answer:
thanks for the points i think
Explanation:
 
        
                    
             
        
        
        
Answer: A. drought
Explanation:
It is A because their environment changed alot so it was difficult to grow corn and so the migrated south where it rained more.
 
        
             
        
        
        
Answer:
im answering this question so that you can mark brainliest to the other person
Explanation:
 
        
             
        
        
        
I need to see the photo to come up with an answer