imperialism
explanation:
A policy by which strong nations extend their political, military, and economic control over weaker territories.
 
        
             
        
        
        
Europeans started to enslave Africans.  
They started to use slaves instead of indentured servants, because the investment was better.  Indentured servants only served for a few years, and then were granted freedom, while slaves were purchased and used for their entire lives.  The investment of a slave was better than an indentured servant. 
        
             
        
        
        
Answer:
what you do is look it up because your on a laptop or phone instead of asking somebody that will probably get it wrong for you ;)
Explanation:l