Tōseiha

The Tōseiha or Control Faction (統制派) was an informal political faction in the Imperial Japanese Army active in the 1920s and 1930s. The term Tōseiha was not a self-designated name; it was a pejorative label coined by their rivals in the revolutionary Kōdōha (Imperial Way Faction) to describe the generally conservativeofficers who opposed the Kōdōha spiritual radicalism and aggressive anti-modernization ideals, and instead favoring maintaining Japanese imperialism under the rule of military law and prioritizing military modernization and industrialization with the existing state bureaucracy and Zaibatsu to prepare for total war.

The coalition was initially centered around the efforts of Major General Tetsuzan Nagata, who organized the military's diverse interests such as the Reform bureaucrats, against domain-based cliques like the Chōshū. After Nagata's assassination in 1935, the Tōseiha was co-opted by Hideki Tojo, who consolidated a fascist faction that monopolized the military's authority after the failed February 26 Incident of 1936. The faction ultimately lost power following Japan's disastrous defeats in World War II.