The Tripartite Pact was directed primarily at the United States. Its practical effects were limited, since the Italo-German and Japanese operational theatres were on opposite sides of the world and the high contracting powers had disparate strategic interests. Some technical cooperation was carried out, and the Japanese declaration of war on the United States propelled, although it did not require, a similar declaration of war from all the other signatories of the Tripartite Pact.
The Governments of Japan, Germany, and Italy consider it as the condition precedent of any lasting peace that all nations in the world be given each its own proper place, 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, calculated to promote the mutual prosperity and welfare of the peoples concerned. It is, furthermore, the desire of the three Governments to extend cooperation to nations in other spheres of the world that are inclined to direct their efforts along lines similar to their own for the purpose of realizing their ultimate object, world peace. Accordingly, the Governments of Japan, Germany and Italy have agreed as follows:
ARTICLE 1. Japan recognizes and respects the leadership of Germany and Italy in the establishment of a new order in Europe.
ARTICLE 2. Germany and Italy recognize and respect the leadership of Japan in the establishment of a new order in Greater East Asia.
ARTICLE 3. Japan, Germany, and Italy agree to cooperate in their efforts on aforesaid lines. 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.