Jobs in U.S. cities in 1900 (IMAGE)
Caption
Jobs in U.S. cities in 1850, 1900, and 1940. Each circle represents a city, and the size of the circle shows how many people worked there. The 1850–1940 period captures a critical phase in the evolution of the U.S. urban system, as the country transitioned from a predominantly rural society to an advanced manufacturing and service-based economy.
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Complexity Science Hub
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