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is a widely prevalent belicf that imperial expansion is desirable, or even necessary, in order to absorb and utilize the surplus of our ever-growing population. “The reproductive powers of nature,” runs the argument, “brook no restraint: the most dominant force in history is the tendency of population to overflow its ancient banks, seeking fuller and easier subsistence. Great Britain is one of the most congested areas in the world; her growing population cannot find enough remunerative occupation within these islands; professional and working-classes alike find it more and more difficult to earn a decent and secure living, every labour market is overstocked, emigration is a prime economic necessity. Now, those who under such pressure leave our shores consist largely of the strongest and most energetic stuff the nation contains. Many of these people, whose permanent alienation would be a heavy loss, have been saved to the Empire by the policy of imperial expansion: they have settled either in vacant places of the earth which they have seized and kept under British rule, or in places where they have set up a definitely British supremacy over lower races of existing inhabitants. It is our most urgent national interest that this surplus emigrant population shall settle in lands which are under the British flag, and we must therefore maintain a constant policy of extending the political control of Great Britain so as to cover the new homes to which these people betake