Explain please so I can help you
        
             
        
        
        
Answer:
The Embargo Act of 1807 was a law passed by the United State Congress and signed by President Thomas Jefferson on 22 December 1807. It prohibited American ships from trading in all foreign ports. 
 
        
             
        
        
        
C). It failed to poll poor voters, because the names of the mailing list for the poll were taken from phone directories/magazine subscribers/etc., which tended to just be composed of middle-class/upper-class voters since they were the ones who could afford it
        
                    
             
        
        
        
The leader of the underground railroad was Harriet Tubman