1. Growth of Cities/ Industry and Innovation

2. As the Nation’s industrial growth continued, cities such as Chicago, Detroit, Cleveland, Pittsburgh, and New York grew rapidly as manufacturing and transportation centers.

3. Factories in large cities provided jobs, but worker’s families often lived in tenements and slums. Tenements are overcrowded, bug infested, non sanitary housing.

4. The rapid growth of cities caused housing shortages and the need for public services. ( sewage and water systems)

5. NEW YORK was the first city to install an underground subway system around the turn of the twentieth century

6. Many cities built trolleys and streetcar lines.

7. A monopoly is… When one person or corporation has control over one product or service.

8. Key Industrial Leaders and Innovations

9. During the period from the Civil War to World War I, the United States underwent an economic transformation that involved the development of an industrial economy, the expansion of big business, the growth of large- scale agriculture, and the rise of national labor unions and industrial conflict.

10. What fueled the modern industrial economy? Technological change spurred growth of industry primarily in northern cities.

19. Polio Vaccine was created by: Dr. Jonas Salk