Urban planner daniel burnham oversaw the design and construction of the world’s columbian exposition, but he made an even more important contribution to cities. what was it?

He answer is: His Plan of Chicago offered a blueprint for the orderly growth of the city. 
in his design construction, Urban planner daniel burnham provided a room for economic growth in his blueprint. Such as additional spaces for stores, large chunk of land for parks, some buildings that could be used for schools, transportation road, etc.

Explanation:

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