Chapter_20_21_Notes.pdf - Ch. 20 Notes What accounted for...

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Ch. 20 NotesWhat accounted for the rise of cities in America?Factors accounting for growth of citiesNew TechnologySeveral technological innovations allowed city buildings to expand vertically to accommodate their surgingpopulations. In the 1870s, developments in heating, such as steam circulating through radiators, enabled theconstruction of large apartment buildings, since fireplaces were no longer needed. In 1889, Otis elevator companyinstalled the first electric elevator which made possible the erection of taller buildings.In 1880s, engineers developedcast-iron and steel-frame construction techniques that allowed development of skyscrapers.Mass TransitCities also expanded horizontally with innovations in transportation.In 1873 San Francisco became first city to usecable cars.Some cities used steam powered trains on elevated tracks. But by 1890s electric trolleys were preferred.Mast transit system was improved with subways built in Boston, New York City and Philadelphia.Spread of masstransit allowed large numbers of people to become commuters and a growing middle class retreated from downtownto live in quieter tree-lined suburbs.American Pull FactorsThe migration of Europeans to the United States has been one of the most powerful forces shaping American history.Between 1860 and 1920, immigrants moved from the agricultural areas of eastern and southern Europe directly to thelargest cities of America. In 1890, four out of five New Yorkers were foreign-born. Immigrants were drawn to Americabecause of famine or the dispiriting lack of opportunity in their native lands. They fled racial, religious, and politicalpersecution and compulsory military service.More immigrants were probably pulled by American’s promise than were pushed out by conditions at home. American

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Term
Fall
Professor
Roux
Tags
US History, Immigration to the United States

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