on the contemptuous saying of Metternich that Italy was a geographical expression. But how to anticipate history, what rights to concede to a people that claims to be a self-determining unit, is less easy to decide. There is no doubt that the general tendency of Liberalism is to favour autonomy, but, faced as it is with the problems of subdivision and the complexity of group with group, it has to rely on the concrete teaching of history and the practical insight of statesmanship to determine how the lines of autonomy are to be drawn. There is, however, one empirical test which seems generally applicable. Where a weaker nation incorporated with a larger or stronger one can be governed by ordinary law applicable to both parties to the union, and fulfilling all the ordinary principles of liberty, the arrangement may be the best for both parties. But where this system fails, where the government is constantly forced to resort to exceptional legislation or perhaps to de-liberalize its own institutions, the case becomes urgent. Under such conditions the most liberally-minded democracy is maintaining a system which must undermine its own principles. The Assyrian conqueror, Mr.