Answer: uncontrollable population movements; new epidemic diseases; failing states leading to increased warfare; collapse of trade routes
Explanation:
 
        
             
        
        
        
Answer:
I'm pretty sure It's A! :D
Explanation:
 
        
                    
             
        
        
        
Answer:The first option.
Explanation:
They took advantaged of any republican idea they could so they supported the republicans just to get what they wanted.
 
        
             
        
        
        
C) New settlers arrived at a steady rate and the population increased gradually