Rockets were also not used in combat until the 12th century, so Mulan wouldn't have been able to defeat Shan Yu with them at the end of the film. Posing as a man to fight in the war is a plot ...

There is Mulan Secret Service Organization and they ... to carry out the task of fighting for the treasure map of burying nuclear waste and rare earths. He Zhaoyang tempted the pirate leader ...