"The Governments of . . . have decided to stand by and co-operate with one another in their efforts in Greater East Asia and the regions of Europe respectively wherein it is their prime purpose to establish and maintain a new order of things. . . . They further undertake to assist one another with all political, economic and military means if one of the Contracting Powers is attacked by a Power at present not involved in the European War or in the Japanese-Chinese conflict." What nations belong in the blank space in the above pact