| Book Review | The American Historical Review, 109.1

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| Book Review | The American Historical Review, 109.1 | The History Cooperative

Book Review

Canada and the United States

Kim M. Gruenwald. River of Enterprise: The Commercial Origins of Regional Identity in the Ohio Valley, 1790–1850. (Midwestern History and Culture.) Bloomington: Indiana University Press. 2002. Pp. xvi, 214. $39.95.
This monograph by Kim M. Gruenwald "seeks to explain the changing meaning and role of the Ohio River in the lives of three generations of valley settlers" (p. xiii). Labeled a "new model of regional development," its thesis is that commerce played "the central role ... in the expansion of the United States" ( p. xv). Development strategies on both sides of the river revealed linkages between town and hinterland growth. This "three stage process of regional development" (p. 156) also identifies ties that existed before internal improvements created a state rather than regional focus. "As they turned their backs to the river, Ohioans allowed the spread of abolition to erect a barrier between North and South at the river that had once functioned as the lifeblood of all westerners" (p. 156).	1
The book has three parts. "Across the Mountains" examines Marietta and southeastern Ohio in the late eighteenth century. Settlers were born while Great Britain and France struggled to secure imperial hegemony. Part two, "The Western Country," covering 1800–1820, comprises well over half of the book. Settlers in this era were born during the revolutionary era. The last section, "The Buckeye State," explores 1820 to 1850, when settlers were "the first generation of American citizens to come of age west of the Appalachian Mountains" (p. xiii). Gruenwald concludes by describing the Ohio as a unifying force in the national imagination.	. . .

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