Matching Pairs Urban DevelopmentOnline version Reforms by Jefferson County ESC 1 Hull House 2 New York City 3 Tenement Housing 4 Rupert Blue 5 Jane Addams By 1900, more than 80,000 tenements had been built in this city Social worker who devoted her life to helping the poor and promoting world peace were notoriously small in size, most contained no more than two rooms Surgeon General who improved water sanitation and public education about disease in both rural and urban areas serve needy immigrants in Chicago, Illinois