Westward as much as Southward and in its wake has followed a flood of
capital. The increase of population and capital is necessary to the
industrial growth of the South, and in spite of the recent influx the
scarcity of laborers remains a serious problem, the solution of which is
absolutely necessary for the development of the manufacturing industries
as well as agriculture. Immigrants of good standing are constantly
sought by the States, and to cope with the problem some individuals have
been guilty of operating a system of peonage. Lack of efficiency in the
laborers makes the problem still more perplexing. Scientific
investigations conducted with the aim of discovering the causes for this