How did the enlightenment spread idea of separation of powers influence the effects of the american revolution

The Enlightenment brought about several ideas from men like Locke, Hobbes, Blackstone, and Montesquieu. They examined the world and applied logic to explain why the world operated as it did. The idea of separation of powers, from Montesquieu, heavily influenced the creation of both the Articles of Confederation and the Constitution. The fear of power being focused into one area as it had been and the rise of another dictator lead to the desire to separate power and making it harder for one person to take total control. 

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada