Sphère de coprospérité de la grande Asie orientale
"An Investigation of Global Policy with the Yamato Race as Nucleus" – a secret document completed in 1943 for high-ranking government use – laid out that Japan, as the originators and strongest military power within the region, would naturally take the superior position within the Greater East Asia Co-Prosperity Sphere, with the other nations under Japan's umbrella of protection.