'Underground Network Alternative Communication' 


I think the answer to your question is no. the U.S government have never closed any city or town. Many cities and states like Blackwater of Arizona state, Cairo of Illinois state and Hughes of Arkansas state faced immigration of large population due to poverty. However, U.S government never completely closed any city of any state instead we always tried to control the poverty in the city.In case of Cairo, many people think that U.S government closed the city because of ever lowering poverty line in the city. But in reality United States government evacuated the city because of floods. Cairo was a center of seasonal floods due to its low elevation level above the river (Braesch, 2011). Therefore, the U.S government evacuated the city to keep the population safe from floods and destruction. Moreover, economic decline, racial turbulence and internal riots have never allowed the city to be populated so people migrated from the city.