Answer:
By protesting nonviolently and in a way that doesn't hinder normal life, merely bring attention to an important topic.
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Answer:
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
 
        
                    
             
        
        
        
Answer:
Louis Armstrong was a African American trumpet player during the Harlem Renaissance which was during the 1920’s. 
Hope this helped, have a great day/night! 
 
        
                    
             
        
        
        
Expressed powers. Yes this is really the answer.