+The Ohio Valley is a fertile [region](/wiki/region) defined by the [Ohio River](/wiki/ohio_river) and its floodplain, stretching across several U.S. states. This historic waterway has long been a conduit for migration and trade, deeply influencing the development of the American Midwest.
+## See also
+- [Ohio River](/wiki/ohio_river)
+- [Midwest](/wiki/midwest)
+- [Appalachia](/wiki/appalachia)
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