In 2000, a movie was released in which a song made famous by the stanley brothers was an important element of the plot. as a result of the movie's popularity, there was a sudden increase of interest in bluegrass. which movie was it?

O Brother, Where art thou?

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