The topic—"Literary devices in American poetry"—would be a weak topic because such a topic is extremely vague and not specific enough. 
American poetry uses many, MANY literary devices—and many of which are not unique to American poetry alone.  Also, "American poetry" in general is too broad of topic.
        
             
        
        
        
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Photosphere
Photosphere - The photosphere is the deepest layer of the Sun that we can observe directly. It reaches from the surface visible at the center of the solar disk to about 250 miles (400 km) above that
 
        
             
        
        
        
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what i would want to feel in a classroom is safe and comfortable 
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