ELI5 mode
Chicago is the largest city in Illinois and the third-most populous in the United States, functioning as the economic, cultural, and transportation heart of the Midwest. It is celebrated for pioneering modern architecture, a legendary blues and jazz heritage, and iconic foods such as deep-dish pizza, while its resilient identity was shaped by the Great Chicago Fire of 1871. Today the city remains a global financial center and one of North America’s busiest aviation hubs.
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