INDUSTRIAL evolution has broken down the stable organization of ancient and mediæval societies, in which every individual had a fixed place and the son followed the occupation of the father. Modern industrial society tends to revert to the nomadic type. People come and go, and others settle in their places. There were, in 1900, thirteen and a half million persons born in the United States who were living outside of their native States. There is no record of migration within State limits. Assuming that the number of native citizens migrating within their State of birth is equal to the number migrating to contiguous States, six millions more may be added to the migratory population, making in all about 30 per cent of the total native population.1 Yet when it is learned that of the 2,653,00 native Missourians who were living in the United States, 618,000 resided outside of their native State, while 855,000 natives of other States settled in Missouri,2 no one takes it that the Missourians were "displaced" by the "invasion" of a host nearly a million strong from Southern and Eastern States. It is only when the new-comers are of foreign birth that the impression of "racial displacement" is created.
There was one great racial displacement in America: the Indian was displaced from his land by the European invasion. The invasion and the displacement in that instance____________________