Aseven-year-old child who was developing normally begins to wet his bed and suck his thumb after his parent's separation. he is showing the defense mechanism of

He is exhibiting the defense mechanism of Regression which is leading to the temporary or long-term reversion of the ego to an earlier stage of development rather than handling unacceptable impulses in a more way. This regression is a form of retreat, bringing back a time when the person feels safe

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