The American farmer, whose holdings were not so extensive as those of the grandee nor so tiny as those of the peasant, whose psychology was Protestant and bourgeois, and whose politics were petty-capitalist rather than traditionalist, had no reason to share the social outlook of the rural classes of Europe. In Europe land was limited and dear, while labor was abundant and relatively cheap; in America the ratio between land and labor was inverted.
Chapter I, part II, p. 44 - The Age of Reform: from Bryan to F.D.R. (1955)