Which best describes the population differences between the north and the south in the early 1800s?

The North had very poor people living it it, but it was very crowded because that was where all of the Imagrants went for a better life, while on the south the population was on the lower side, but everyone was rich because they were mostly slave owners, actually farming and slavery was what their economy was based on in the south, also the North's economy was based on factory workers.

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