Politics of New York City the city's main post office. The post office stopped 24-hour service beginning on May 9, 2009 due to decreasing mail traffic. Brooklyn, The Bronx, and Staten Island each have central and/or main post offices. Queens has three, each serving one of the former townships of Queens County. New York City also has federal buildings in downtown Manhattan that house buildings for the United States Attorney and the FBI. New York's military installations include the United States Army post of Fort Hamilton located in the Bay Ridge section of Brooklyn under the shadow of the Verrazano-Narrows Bridge. The bridge spans the
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