We realise to-day, as never before, that the fortunes of the world, and of every individual in it, are deeply affected by the problems of world-politics and by the imperial expansion and the imperial rivalries of the greater states of Western civilisation. But when men who have given no special attention to the history of these questions try to form a sound judgment on them, they find themselves handicapped by the lack of any brief and clear resume of the subject. I have tried, in this book, to provide such a summary, in the form of a broad survey, unencumbered with detail, but becoming fuller.
