What were the major forces behind urban growth in early UnitedStates history? Wh

What were the major forces behind urban growth in early UnitedStates history? What influence did urban growth have on urbanconcentration and population density? What new demands were placedon city governments when population density increased? What stepsdid city governments take to help deal with new demands resultingfrom the influx in population? Respond to at least two of yourclassmates postings.