To protect our country! I hope this helps :D!
        
                    
             
        
        
        
These areas are named triple junctions and can be found in several places across the world today. The separated margins of the continents evolve to form passive margins. Hess' theory was that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge.
        
             
        
        
        
Answer: D- their trading partners.
Explanation: 
 
        
                    
             
        
        
        
The white southerners viewed slavery as more of a right than a "privilege." The believed that they were superior and they shouldn't have to do their own work when Africans could do it for them.