Pittsburgh is a city in the state of Pennsylvania in the United States and the county seat of Allegheny County. The city developed as a vital link of the Atlantic coast and Midwest, as the mineral-rich Allegheny Mountains led to the region being contested by the French and British empires, Virginians, Whiskey Rebels, and Civil War raiders. Pittsburgh has transformed into a hub for the health care, education, and technology industries. Pittsburgh is …

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