Japanese governors, as Asians, sent their soldiers to the war to join the Entente Alliance because they reckoned that the Entente Alliance had more manpower and more optimistic circumstance than the Central Powers, and therefore had greater possibilities to defeat its opponent. Once they joined, if the Entente Alliance won the war, Japan would have soon be recognized as one of the “victorious nations”. Consequently, Japan could have gained their influence over the war, possibly have obtained a large amount of compensation and have occupied some lands they captured from the opponent. After the war was over and the Entente Alliance won the war. Tokyo gained a permanent seat on the Council of the League of Nations, and the Paris Peace Conference confirmed the transfer to Japan of Germany's rights in Shandong. Similarly, there was a more northerly Pacific island that originally was reigned by Germany came under Japan’s control. Although Japan only played a relatively tiny role in the World War 1, Japan had gained abundant of interests and finally rendered her one of the greatest powers in international politics by the close of the war.
Just as Winston Churchill stated,” A nation has no permanent enemies and no permanent friends, only permanent interests.” Indeed, the aforesaid is just an example of how one country could gain so much profits during a nefarious war and hidden interests was obviously what attracted so many Asian countries and African countries