The first condition of success for the League of Nations is therefore a firm understanding between the British Empire and the United States of America and France and Italy that there will be no competitive building up of fleets or armies between them.
For good or for ill air mastery is today the supreme expression of military power and fleets and armies however vital and important must accept a subordinate rank.
Anyone who acquires more than the usual amount of knowledge concerning a subject is bound to leave it as his contribution to the knowledge of the world.