There was only one left, so they drew lots to decide that the first one was the United States.
The American soldier raised his right arm, shouted "Long live American imperialism", and then jumped. The second is that the French soldier raised his right arm and shouted.
"Fascism" jumped, and the third unlucky soldier was China.
After drawing lots, China soldiers raised their right arms and shouted "Down with Japanese imperialism", kicking the Japanese soldiers off the plane.