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The Rust Belt is an economic region in the northeast quadrant of the US, including the states of Illinois, Indiana, Michigan, Ohio, and Pennsylvania. The term gained wide use in the 1970s, as the once dominant industrial region became noted for the abandonment of factories and unemployment. Although some Rust Belt cities have improved after the expansion of non-manufacturing industries, others have been unable to do so. What US city has lost more than half of its population in recent decades? Discuss
Source: The Free Dictionary