<span>They depended on indigenous political and trading networks that brought slaves to the coasts.</span>
        
             
        
        
        
Thailand is considered part of southeast asia
        
                    
             
        
        
        
Answer:
 Mesopotamia came to have cities because the rivers in the Fertile Cresent allowed the people growing crops to have big surpluses because they used irrigation. The Civilization in mesopotamia devided the labor in order to keep everyone at work.
I didn't use 2 of the vocabulary terms. I hope that's ok with you.
 
        
                    
             
        
        
        
Many people believed that the sun god enjoyed human 
sacrifice