Hippodamus is the answer. He was a Greek city planner that had a scheme in organizing Athens via rectangular blocks. However it was different as the rectangular scheme would then allow the invaders to get inside easily.Hope this is the answer.
        
                    
             
        
        
        
Answer:
People all around the world make and produce food for a living so I'm guessing people wouldn't all of a sudden stop wanting money so they have to food. LOL
Explanation:
 
        
             
        
        
        
Through my research I found questions similar to this and answers that match and they are the following: 
A.) Two tone
B.) Five tone
C.) Eight tone
D.) Twelve tone
Among those following choices the best answer would be A) or the first option.
        
                    
             
        
        
        
Answer: 
Concentric circles are circles that share the same center. A pebble dropped in a pond creates concentric circles.
Explanation: