“The political geography of this nation was a product of various treaties and acquisitions that eventually resulted in the country extending from the Atlantic to the Pacific Ocean.” 
So the answer must be:
C.) The United States gained the area between the Atlantic Ocean and Appalachian Mountains from the original thirteen colonies in 1770.
        
                    
             
        
        
        
Western Culture...................................
        
                    
             
        
        
        
On May 31, 1961, Meredith, with backing of the NAACP Legal Defense and Educational Fund, filed suit in the U.S. District Court for the Southern District of Mississippi, alleging that the university had rejected him only because of his race, as he had a highly successful record of military service and academic courses.
 
        
             
        
        
        
"It was a new way of thinking about the universe that differed greatly from both classical thought and Church teachings." is 100 % correct good luck!!!