Food, unite, and building of villages and cotiesthe presence of rivers, surplus of food and building of villages and cities
        
             
        
        
        
Answer:
The answer is TRUE. Metals, cloth, onions, tomatoes and other manufactured goods were traded by west African Empires
Explanation:
The statement is true because west African empires traded  Metals, cloth, onions, tomatoes and other manufactured goods. The gold and the salt were not their only basis of trade.
 
        
             
        
        
        
     <span> Key concept = Leadership and loyalty 
 It belongs to the leader belief system because its about leaders being kind to the people he ruled over. 
 (Written by Confucius.)</span>
        
                    
             
        
        
        
One of the main advantages of incumbency for a democratic election is that the people are used to the incumbent, another would be that the incumbent usually has more money, and other would be that they are used to campaigning.