its country secede and establish itself as a separate political entity without attempting to prevent it by force of arms. Yet this is what happened, a year or two ago, in the Scandinavian peninsula. For forty years Germany has added to her own difficulties and to those of the European situation for the purpose of including Alsace and Lorraine in its Federation, but even there, obeying the tendency which is world-wide, an attempt has been made to create a constitutional and autonomous government. The history of the British Empire for fifty years has been a process of undoing the work of conquest. Colonies are now neither colonies nor possessions; they are independent States. England, which for centuries has made such sacrifices to retain Ireland, is now making great sacrifices in order to make her secession workable. To each political arrangement, to each political ideal, the final test will be applied: does it, or does it not, make for the widest interests of the mass of the people involved?
It is true that those who emphasize the psychological causes of war might rejoin with another distinction. They might urge that, though the questions dividing nations had more or less their origin in an economic problem, the economic question becomes itself a moral question, a question of right. It was not the few pence of the tax on tea that the Colonies fought about, but the question of right which its payment involved. So with nations. War, ineffective to achieve an economic end, unprofitable in the sense that the cost involved in the defence of a given economic point exceeds the monetary value of that point, will still be fought because a