Answer: It allows the reader to understand the lingering terror of the journey.
Explanation:
The description of the train's sound in the book titled "Night" by Elie Wiesel was to show what happens before death after there have been a lot of suffering. He used the sound of the train in order to show that there is still one final stage of pain to go through. This is justified by the expressions where it was stated that "a train rattles along Germany and that the train was filled with a moaning sound"
This give a graphic description of the sorrow and the pain that they the people had to go through. Therefore, Wiesel's unique point of view about the sound of a train whistle impacts the reader as it allows the reader to understand the lingering terror of the journey.
 
        
             
        
        
        
The raid on Harper's Ferry was an intent by John Brown, who was an abolitionist, to initiate a slave revolt in 1859 by taking control on the federal arsenal located in Harper's Ferry, Virginia. 
The two groups that were outside the arsenal were:
- <em>John Brown's "group of 22"</em>. This group of men was supposed to be supported abolitionists Harriet Tubman and Frederick Douglass. However, none of them showed up in the scene, as Tubman fell ill and Douglass was doubtful of a victory.
- <em>A group of US Marines</em> led by Colonel Robert E. Lee. 
The attempt was unsuccessful, resulting in the defeat of Brown's group by the US Marines. 
 
        
             
        
        
        
a and b I think if I’m wrong then sorry!! Good luck
 
        
                    
             
        
        
        
Search it up on google sorry can’t help