174. The more complete that organisation becomes, the more the motives and occasions of international conflict tend to disappear, while the bonds of unity become stronger. The latter is the case, if for no other reason, yet for this; that the better organisation of the state means freer scope to the individual (not necessarily to do as he likes, e.g. in, the buying and selling of alcohol, but in such development of activity as is good on the whole). This again means free intercourse between members of one state and those of another, and in particular more freedom of trade. All restrictions on freedom of wholesome trade are really based on special class-interests, and must disappear with the realisation of that idea of individual right, founded on the capacity of every man for free contribution to social good, which is the true idea of the state. And as trade between members of different states becomes freer and more full, the sense of common interests between them, which war would infringe, becomes stronger. The bond of peace thus established is sometimes depreciated as a selfish one, but it need be no more selfish than that which keeps the peace between members of the same state, who have no acquaintance with each other. In one case as in the other it may be said that the individual tries to prevent a breach of the peace because he knows that he has more to gain than to lose by it. In the latter case, however, this account of the matter would be, to say the least, insufficient. The good citizen observes the law in letter and in spirit, not from any fear of consequences to himself if he did not, but from an idea of the mutual respect by men for each other's rights as that which should be an idea which has become habitual with him, and regulates his conduct without his asking airy questions about it. There was a time, however, when this idea only thus acted spontaneously in regulating a man's action towards his family or immediate neighbours or friends. Considerations of interest were the medium through which a wider range of persons came to be brought within its range. And thus, although considerations of an identity of interests, arising out of trade, may be the occasion of men's recognising in men of other nations those rights which war violates, there is no reason why, upon that occasion and through the familiarity which trade brings about, an idea of justice, as a relation which should subsist between all mankind as well as between members of the same state, may not come to act on men's minds as independently of all calculation of their several interests as does the idea which regulates the conduct of the good citizen.