As I write this postscript, which is also an introduction, the fate of the world is being decided upon the fields of Picardy. Hundreds of millions in all the Allied countries are praying for the success of the British, French and American soldiers, who are seeking to stem the tide of German invasion and end for all time the dream of a German world-dominion. While that battle rages all other pre-occupations are thrust from our minds. If, by evil chance, the German arms are crowned with success, the end of the war will be one that we cannot contemplate except with horror. The Allies must hold, must fling back this gigantic onrush, or the power of decision will pass from them and will rest with their German conquerors.
The book to which this is a postscript is based upon the assumption that the Allies can hold their own and can thus exert a decisive influence upon peace and upon the diplomacy that leads to peace. The book is an appeal to America to assume leadership in that diplomacy, to eliminate imperialistic elements from the demands of our Allies, and to attempt a settlement based on internationalism. During the period while the book was being written the chances for such an American leadership were ex-