Answer:
In each case Carnegie is referring to the accumulation and unequal distribution of wealth, which have “revolutionized” human life for the good (“highly beneficial”).
 
        
                    
             
        
        
        
Answer:
 so delicate or precise as to be difficult to analyze or describe.
Explanation:
 
        
             
        
        
        
1. They help the setting become more realistic. 
2. They could even help the main character on stage feel less anxious, since they're not the only one up there. 
        
             
        
        
        
answer:
Copying and pasting information someone else wrote and trying to present it as your own
explanation:
plagiarism is when you copy someone's work, present it as your own, and do not credit them.