In order to defend the unitary, before unitary, the condition of valuing martial arts is prominent .After unifing, due to strengthen the country , the ruler adopted the policy of advocating martial arts in army and prohibiting it in countryside .Advocating martial arts in army promoted the developing of martial arts . The result of prohibiting it is complicated ,on the one hand ,which held back the developing of the martial arts, on the other hand, which could not prohibite it. For ex...