In 1194, a fire destroyed most of the church of but spared the royal portal, its windows and the crypt. to support its vault, the cathedral of notre-dame at chartres adopted the recently developed

Which factor best suggests a cause for the urban problems shown in this table? (3 points) increasing discriminatory housing practices shifting population density gradients over time declining urban renewal efforts by city governments declining basic employment sector in industrial cities increasing gentrification efforts in the inner cities