Granted that the Chinese will never become the fighting equals of the world's warrior races, their incredible numbers combined with their tenacious vitality might overcome opponents individually their superiors. Says Professor Ross: "To the West the toughness of the Chinese physique may have a sinister military significance. Nobody fears lest in a stand-up fight Chinese troops could whip an equal number of well-conditioned white troops. But few battles are fought by men fresh from tent and mess. In the course of a prolonged campaign involving irregular provisioning, bad drinking-water, lying out, loss of sleep, exhausting marches, exposure, excitement, and anxiety, it may be that the white soldiers would be worn down worse than the yellow soldiers. In that case the hardier men with less of the martial spirit might in the closing grapple beat the better fighters with the less endurance."[139] The potentialities of the Chinese soldier would acquire vastly greater significance if China should be thoroughly subjugated by, or solidly leagued to, ambitious and militaristic Japan. The combined military energies of the Far East, welded into an aggressive unity, would be a weapon of tremendous striking-power. The colored peril of arms may thus be summarized: The brown and yellow races possess great military potentialities. These (barring the action of certain ill-understood emotional stimuli) are unlikely to flame out in spontaneous fanaticism; but, on the other hand, they are very likely to be mobilized for political reasons like revolt against white dominion or for social reasons like over-population. The black race offers no real danger except as the tool of Pan-Islamism. As for the red men of the Americas, they are of merely local significance. We are now ready to examine the economic facet of the colored peril: the industrial-mercantile phase. In the second part of this volume I showed the profound effect of the "industrial revolution" in furthering white world-supremacy, and I pointed out the tremendous advantages accruing to the white world from exploitation of undeveloped colored lands and from exports of manufactured goods to colored markets. The prodigious wealth thereby amassed has been a prime cause of white prosperity, has buttressed the maintenance of white world-hegemony, and has made possible much of the prodigious increase of white population.