Otto Braun
In early 1933, Bo Gu arrived with the German Comintern adviser Otto Braun and took control of party affairs. Zhou at this time, apparently with strong support from Party and military colleagues, reorganized and standardized the Red Army. Under Zhou, Bo, and Braun, the Red Army defeated four attacks by Chiang Kai-shek's Nationalist troops. The military structure that led the Communists to victory was: