Relier Pairs Urban DevelopmentVersion en ligne Reforms par Jefferson County ESC 1 Jane Addams 2 Tenement Housing 3 New York City 4 Hull House 5 Rupert Blue Social worker who devoted her life to helping the poor and promoting world peace By 1900, more than 80,000 tenements had been built in this city serve needy immigrants in Chicago, Illinois 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