gated in advance while the former are created in practice and can only be observed by the logicians afterwards, who can then investigate their significance for further evolution. Unions, strikes, corporations, trusts, etc., have sprung from practice and not from theory. In this field many surprises for us may yet appear.
As a means of hastening the political development and of bringing the proletariat into a position of political power war may play a part. War has already often shown itself to be a very revolutionary factor. There are historical situations in which revolution is necessary to the further progress of society but where the revolutionary classes are still too weak to overthrow the ruling powers. The necessity of revolution, does not always imply that the aspiring classes should have just the right strength at just the right moment. Unfortunately the world is not yet so purposefully planned as this. There are situations where revolution is undoubtedly demanded, where one ruling class should be displaced by another, but where the latter is still held in firm subjection by the former. If this situation continues too long the whole society collapses. Very often in such a situation war fulfills the function to which the aspiring class has not yet grown. It fulfills this in two ways. War can be carried on only by the exercise of all the powers of a people. If there is a deep division in the nation war will compel the governing class to grant concessions to the aspiring
