Middle-class whites flocked to city centers.
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They have become much larger, cleaner, healthier and easier to move around in.
The use of gun powder
1. The rise of industry and commerce.2. The development of an intellectual class.3. Foreign imperialism.
A political machine is an unofficial system of political organization based on patronage, the spoils system, "behind-the-scenes" control, and longstanding political ties within the structure of a representative democracy. Machines sometimes have a boss, and always have a long-term corps of dedicated workers who depend on the patronage generated by government contracts and jobs. Machine politics has existed in many United States cities, especially between about 1875 and 1950, but continuing in some cases down to the present day. It is also common (under the name clientelism or political clientelism) in Latin America, especially in rural areas. Japan's Liberal Democratic Party is often cited as another political machine, maintaining power in suburban and rural areas through its control of farm bureaus and road construction agencies. The key to a political machine is patronage: holding public office implies the ability to do favors (and also the ability to profit from graft). Political machines generally steer away from issues-based politics, favoring a quid pro quo (something for something) with certain aspects of a barter economy or gift economy: the patron or "boss" does favors for the constituents, who then vote as they are told to. Sometimes this system of favors is supplemented by threats of violence or harassment toward those who attempt to step outside of it.
There are two basic reasons - power and money.
Middle-class whites flocked to city centers.
Lincoln Austin Steffens was an American investigative journalist and one of the leading muckrakers of the Progressive Era in the early 20th century and author of "The Shame of the Cities."
Nicholas Rogers has written: 'Crowds, culture, and politics in Georgian Britain' -- subject(s): History, Politics and government, Popular culture, Crowds, Political participation 'Carnal knowledge' 'Whigs and cities' -- subject(s): Politics and government, Whig Party (Great Britain), Populism, Cities and towns, Working class, Political activity, History 'England in the Fifteenth Century'
Middle-class whites flocked to city centers.
In the late nineteenth century America cities: The middle and upper classes lived in the newer suburbs
Poverty, war, and famine caused the cities to grow in population at the end of the nineteenth century.
skyscrapers
Trade allows some cities become major trade centres
Because they are the holiest two Islamic cities.
Cities become poorer
Probably the Etruscans in the 7th century.