The answer is B. Hope this helps
        
                    
             
        
        
        
 civil rights leader who was born into slavery and later worked to achieve racial equality
 
        
                    
             
        
        
        
Answer:
Immigrants ramp up the competition for jobs, creating a surplus in labor for some sectors. Also promoting innovation.
Explanation:
 
        
             
        
        
        
They nominated Stephen A. Douglas.