Answer:
C. A pull factor for accessible resources
Explanation:
 
        
             
        
        
        
Answer:
A country divided by water is island
 
        
                    
             
        
        
        
Answer:
  NNP ; GNP       
Explanation:
NNP stands for Net National Product and the full form of GNP is Gross National Product. 
Net National product is the value of the total products which is obtained by deducting the monitory value of the goods depreciated over a course of time from the gross national income.
Thus, NNP = GNP - depreciation 
 
        
             
        
        
        
Some tribes did leave without resistance; however, many of them were forced to walk the “Trail of Tears” west. It was called the “Trail of Tears” due to its huge death toll, almost 4,000.