History of New York City (1898–1945) overthrown in 1933 by reformers who elected and repeatedly re-elected Fiorello La Guardia. Heavy federal patronage helped convert the city to a stronghold of the New Deal Coalition and the model of heavy government spending on infrastructure. The modern five boroughs, comprising the city of New York, were united in 1898. That year, the cities of New York—which then consisted of present-day Manhattan and the Bronx—and Brooklyn were both consolidated with the largely rural areas of Queens and Staten Island. The total population was 3.4 million in 1900, leaping to 5.6 million in 1920 and leveling off at 7.9 million
History of New York City dominated the South, Boston dominated New England; Chicago, the nation's railroad hub, dominated the Midwest United States; however, New York City dominated the entire nation in terms of communications, trade, finance, popular culture, and high culture. More than a fourth of the 300 largest corporations in 1920 were headquartered in New York City. In 1898, the modern City of New York was formed with the consolidation of Brooklyn (until then an independent city), Manhattan, and outlying areas. Manhattan and the Bronx were established as two separate boroughs and joined together with three other boroughs created from parts of adjacent counties