That statement is true
The commander's name is Carleton. By that point, the british empire already started to made effort to abolish slavery before united states. So Carleton believed that returning the escaped slaves to Washington would be dishonorable. 
Washington keep pushing him for several years for the return of the slaves until he eventually gave up and asked for compensation instead.
 
        
             
        
        
        
John Jacobs Rascob (I think?) built the Empire state building purely because he was competing with other entrepreneurs to construct the tallest in the world!
What an extraordinary fact, don't you think?
Hope this helps!
- Z 
        
             
        
        
        
Answer:
Philadelphia was one of the first planned cities in the United States.
Explanation:
Source: Goog|e
 
        
                    
             
        
        
        
Answer:
First one -- Should be true not hundered percent sure
Second one-- True
Explanation: