C. The government regulates the economy completely
        
             
        
        
        
The 1980 winter Olympics were held at Lake Placid
        
                    
             
        
        
        
Radical Republicans and Carpetbaggers
        
             
        
        
        
Explanation:
As trade intensified between Africa and Asia, prosperous city-states flourished along the eastern coast of Africa. These included Kilwa, Sofala, Mombasa, Malindi, and others. The city-states traded with inland kingdoms like Great Zimbabwe to obtain gold, ivory, and iron.