The industrial revolution did.
In the beginning, the only perceived difference was  that they were not Christians so they wanted to baptize them. After the industrial revolution, the European countries developed rapidly while African and Asian countries didn't and Europeans believed that this was due to their superior race so they decided to colonize them under the pretense that they would help them develop.
        
             
        
        
        
Andrew Hamilton defended John Peter Zenger and free speech because he knew how fundamental free speech and the ability to speak against the government was to the health of the relatively new United States--which prided itself on liberty.
        
             
        
        
        
This depends on who you consider to be the author. If the author in your case would be a famous old historian, then they would probably marvel at the architectural accomplishments of ancient Rome and how they were able to create such magnificent structures in such a short amount of time. 
        
             
        
        
        
Answer: Lamas, Alpacas, and Guinea pigs
Explanation:
 
        
             
        
        
        
Because it was the flowing of African American Arts in the 1920s.