Division of labor and integration--The spread of industrial skill--Each nation its own producer of manufactured goods --The United Kingdom -- France -- Germany -- Russia -- "German competition." Who does not remember the remarkable chapter by which Adam Smith opens his inquiry into the nature and causes of the wealth of nations? Even those of our contemporary economists who seldom revert to the works of the father of political economy, and often forget the ideas which inspired them, know that chapter almost by heart, so often has it been copied and recopied since. It has become an article of faith; and the economical history of the century which has elapsed since Adam Smith wrote has been, so to speak, an actual commentary upon it. "Division of labor" was its watchword. And the division and subdivision--the permanent subdivision--of functions has been pushed so far as to divide humanity into castes which are almost as firmly established as those of old I...