Before 1914, the mass of the people in this country took little real interest in international affairs, which were commonly regarded as reserved to statesmen and their expert advisers. In Parliament, foreign affairs were looked on as a nonparty matter, about which, save on rare occasions, basic agreement on policy was reached behind the scenes between the Government of the day and opposition leaders. This attitude was by no means confined to England. Since the end of the first World War, public interest in international affairs has grown steadily in all countries, though it may unfortunately be claimed that growth of the knowledge required to consider and weigh dispassionately the many complicated facts involved has not kept pace with the interest displayed.

This applies to Catholics and non-Catholics alike, but it is distressing to find that even among Catholics—and well-educated persons too—there is little realization that the proper conduct of international relations by Christians should be governed by as definite a code of Christian ethics and morality as that which should guide the private life of the individual Christian, and one which is indeed directly deduced from the same laws of personal morality as have been revealed by God in the Scriptures and are interpreted by his Church. A little thought will show that this must be so. All Catholics recognize the moral principles of the Natural Law, of the ten commandments given to Moses and of the supernatural extension of these laws declared by our Lord, upon which the Church bases her teaching of man’s moral duties and obligations towards God, the family and himself, and towards others who are not of his immediate family.