National urban policies, municipal zoning and disputes over Sanctuary Cities in Metropolitan America

Abstract

Abstract: Politiche urbane federali, piani municipali di zonizzazione e controversie sulle Città santuario nell’America metropolitana – The Author analyses one Century of contradictions and inconsistencies in National urban policies and describes the great changes in American urban landscape. America preserves its character of immigrant and suburban Nation but too many changes have occurred in neighborhoods and ordinary life of people. Downtown rehabilitation, sprawling and the transformation of suburbs are the main problems that local authorities are facing with; new forms of land use regulations and zoning appear to be indispensable to cope with them.