The Fugu Plan attempted to resettle Jewish refugees in this (-5[1])historical state after many fled this state after the murder of Simon Kaspé. Members of the Red Spear Society joined volunteer armies that resisted the “pacification” of this state. This state’s early ruling party, the Concordia Association, failed to maintain ethnic harmony that it promoted with a motto originally used by an earlier state, “Five Races Under One Union.” Bioweapons testing and human experimentation (10[1])were performed by a group based in this state, Unit (10[1])731. (10[1])The Soviet (-5[1])Union launched Operation August Storm to invade this state, (10[1]-5[1])which was established shortly after a false flag operation in the Mukden Incident. For 10 points, name this puppet state led by Puyi that the Japanese Empire organized in Northeast China. ■END■ (10[3])