The highs and lows of the city of Pittsburgh, PA over the past 250 plus years

Pittsburgh has been at the forefront of so much history over the years from its founding right up through the present day. In a reflective essay, discuss some of the highs and lows and the in between in the 250 plus years of this “most livable” American city’s development. Discuss points like the steel industry, politics, immigration, innovation and technology, along with any other relevant points that will help make your point.