Chapter 15 Section 3 The Challenge of the Cities Suburb Residential communities surrounding cities Tenement Low cost apartment buildings designed to house as many families as the owner could pack in Dumbbell Tenement Named for its dumbbell shape Each building narrowed in the middle, and gaps on either side formed air shafts to bring light and air inside the rooms Describe living conditions in a dumbbell tenement Overcrowded How did Jacob Riis expose the conditions that existed in tenement houses? Mastered new technology of flash photography What were three technological developments that enabled cities to house more people? Elevator Subway Political Machine An unofficial city organization What contributed to the rise of political machines? As city governments grew in size, wealth, and power, they became Who benefitted most from Boss Tweed’s control of New York City? Tweed and his allies benefitted the most Graft The use of one’s job to gain Why did some people criticize graft? Graft is List 4 challenges that people living in cities faced. Overcrowding Disease