Answer:
B ?
Explanation:
The Great Wall of China helped China because it protected them from attacks. This helped them feel more secure because they didn't want any foreigners to ever rule them again (the Mongols were the foreigner that previously ruled them).
 
        
             
        
        
        
In my opinion, the lines that reflect the themes of barrenness and emptiness are 4. The jar was gray and bare and <span>5. It did not give of bird or bush, / </span><span>Like nothing else in Tennessee. The jar in Stevens' poem epitomizes the effect and positioning of civilization within nature. Apparently, nature (nothing, that is everything else in Tennessee) still has powers which the futile and barren civilization doesn't have.</span>
        
             
        
        
        
Cite the source.
You want to always cite the source you get your information from, or else you would be plagiarizing. 
        
             
        
        
        
Answer: No because it is off beat
Explanation:
 
        
                    
             
        
        
        
I'm completely sure that line given above elevates the mood by depicting heroism in grief.