[Footnote 1: Also sprach Zarathustra, Speech xi. (end).]
The answer is simple. When the world has a common will, and has created a common government to express and enforce that will.
In the sphere of science and invention, of industry and economics, as Norman Angell and others have taught us, the world is already one Great Society. For the merchant, the banker, and the stockbroker political frontiers have been broken down. Trade and industry respond to the reactions of a single, world-wide, nervous system. Shocks and panics pass as freely as airmen over borders and custom-houses. And not “big business” only, but the humblest citizen, in his search for a livelihood, finds himself caught in the meshes of the same world-wide network. “The widow who takes in washing,” says Graham Wallas,[1] in his deep and searching analysis of our contemporary life, “fails or succeeds according to her skill in choosing starch or soda or a wringing machine under the influence of half a dozen competing world-schemes of advertisement.... The English factory girl who is urged to join her Union, the tired old Scotch gatekeeper with a few pounds to invest, the Galician peasant when the emigration agent calls, the artisan in a French provincial town whose industry is threatened by a new invention, all know that unless they find their way among world-wide facts, which only reach them through misleading words, they will be crushed.” The Industrial Revolution of the past century, steam-power and electricity, the railway and the telegraph, have knit mankind together, and made the world one place.
[Footnote 1: The Great Society (1914), p. 4.]