What's a risk assessment

A risk assessment is something you do like you list all the dangers and solutions like for example in a science lab:
Chemical flasks falling off edge of the table: make sure there in the middle of the table x

Since the time there were born it depends, there's fun violence, abuse, r@pe, kidnappings, threats, hostages ect.

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