the.com/rust belt

Where America's factories went to teach oxidation a lesson in permanence.

means The swath of the American Midwest and Northeast once dense with steel mills and manufacturing plants, now defined by industrial decline and economic reinvention.

from A term from American political and economic commentary, gaining wide currency in the 1980s as manufacturing jobs drained from states like Ohio, Pennsylvania, Michigan, and Indiana — regions whose shuttered mills and abandoned factories literally rusted. It was coined partly as a counterpoint to the booming 'Sun Belt' of the South and Southwest, framing a national shift in fortune through corrosion versus sunshine.

geography
spans Midwest and Northeast, from Michigan to Pennsylvania
name origin
coined 1980s, replaced older term manufacturing belt
peak decline
lost millions of steel and auto jobs post-1970s
political weight
swing region, decides presidential elections repeatedly
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