<Li> Minobe Tatsukichi, a respected professor at Tokyo Imperial University declared the emperor to be a part of the constitutional structure of Japan rather than a sacred power beyond the state itself in 1935 . His constitutional interpretation was overwhelmingly accepted by bureaucrats until the 1930s . In the increasingly militant 1930s, these ideas led to attacks against Minobe in the House of Peers and his resignation from that body . </Li> <Li> Saitō Takao, a graduate of Yale University was a member of the Rikken Minseito party . On February 2, 1940, he made a speech in the Diet in which he sharply questioned the prosecution and justification of Japan's "holy war" in China . He was expelled from the Diet on March 7, 1940 and his speech also led to the creation of the League of Diet Members Believing the Objectives of the Holy War by Fumimaro Konoe . </Li> <Li> Admiral Sōkichi Takagi, an opponent of Japan's decision to declare war on the United States, was asked by Navy Minister Shigetarō Shimada to compile a report analyzing Japanese defeats during the Pacific campaign of 1942 . His analysis convinced Takagi of Japan's inevitable defeat . Believing that the only solution for Japan was the elimination of the Tojo - led government and a truce with the United States, Takagi began planning for the assassination of Prime Minister Hideki Tōjō before his removal from office in July 1944 . </Li> <Li> Kanō Jigorō, creator of Judo and founder of the modern Japanese educational system, member of Japan's Olympic Committee, and de facto foreign minister for Japan was a staunch opponent of militarism . Concerned that his Judo school, the Kodokan, would be used as a military training center, he obtained a promise from the Emperor that it would not be . Alternate sources list different causes of death, and some consider his passing to be suspicious . </Li>

What was the driving force behind the military's takeover of power in japan