 The conquest of Gojoseon in 108 BCE by Han ultimately led to the Proto-Three Kingdoms period of Korea.While the surrendered nobles and ministers of Gojoseon were enfeoffed as marquises, Xun Zhi was arrested upon returning home and executed for jealousy and betrayal of strategy.Yang Pu was also sentenced to execution for his subordinate's defeat, but on payment of a fine he was allowed to become a commoner.