Answer:
The correct answer is D. The European Imperial Powers were who determined the borders of African colonies and later countries.
Explanation:
The European Imperial Powers determined the African borders at the Berlin Conference.
The Berlin Conference took place in Berlin from November 15, 1884 to February 26, 1885, marking the European collaboration in the partition and territorial division of Africa. Germany, Austria, Hungary, Belgium, Denmark, Spain, France, Great Britain, Italy, Norway, the Netherlands, Portugal, Russia and the United States participated in it. The declared objective was to "regulate the freedom of trade in the Congo and Niger basins, as well as new occupations of territories on the west coast of Africa." 
 
        
                    
             
        
        
        
The native Americans used to live in camps and their environment were dry and humid in the summer seen in the picture
        
                    
             
        
        
        
It changed the schooling in america, it made the schools do more  and harder/complex mathematics and science, so we will always stay ahead of the russians
        
                    
             
        
        
        
One of the main factors leading up to the Civil War was territorial expansion into places like Arizona and Texas, with the question being whether these new states would be free or slave. It was in Arizona's interest to side with the slave states.