More and more obviously the surface of the earth is being parceled off into three great empires, each self-contained and cut off from contact with the outer world, and each ruled, under one disguise or another, by a self-elected oligarchy. The haggling as to where the frontiers are to be drawn is still going on, and will continue for some years, and the third of the three super-states—East Asia, dominated by China—is still potential rather than actual. But the general drift is unmistakable, and every scientific discovery of recent years has accelerated it.

