What must be true of a bill which has become law at a federal level?

it must have been signed by the president.
it must be in the best interest of all americans.
it must have passed both the house and the senate.
it must have been introduced into the senate before the house.

It must have passed both the House of rep and the Senate

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

What are the options?