The Tōseiha or Control Faction 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
Lieutenant General Tetsuzan Nagata was the leader of the Tōseiha until his assassination in the Aizawa Incident in August 1935.
Hideki Tojo, the Prime Minister of Japan during much of World War II, was the later leader of the Tōseiha.
The February 26 incident, also known as the 2–26 incident, was an attempted coup d'état in the Empire of Japan on 26 February 1936. It was organized by a group of young Imperial Japanese Army officers
Tōseiha
…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. The Empire of Japan had enjoyed economic growth during…
Sadao Araki, leader of the Kōdōha
Rebels outside the Prime Minister's Residence during the February 26 Incident.
Yasuhide Kurihara leading the Rebellion Army