Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This city was the inspiration for Ernest Burgess's concentric zone model of city growth. It contains a toll road known as the "Skyway", and this city's namesake river had its flow reversed in the early 20th Century as a sewage control measure. Home to Millennium Park and an 1893 World's Fair famous for its "White City", the downtown configuration of this city's elevated railways name its central business district, the Loop. For 10 points, name this "windy" city on Lake Michigan, the largest in Illinois and the entire Midwestern US.
Social Science