A cikin wannan lokacin, Wiman Joseon ya faɗaɗa don sarrafa babban yanki kuma ya zama mai ƙarfi ta fuskar tattalin arziki ta hanyar sarrafa cinikayya tsakanin daular Han da mutanen Manchuria. Sarkin daular Han Wu ya yi tunanin cewa Wiman Joseon yana ƙara yin barazana ga Han China, kuma Wiman Joseon zai yi kawance da Xiongnu. Tambaya: Wanene Wiman Joseon zai kasance tare da shi?
Ƙungiyar Xiongnu