Zvadaro, maDuke Jing weRwiyo akabata Duke Dao weCao muna 515 BC ndokumubata musungwa kusvika parufu rwake. Mushure meizvozvo, kusagadzikana kwakaitika muCao uye vatevedzeri vaDuke Dao Duke Sheng weCao naDuke Yin weCao vakaurayiwa mumwe mushure meumwe. Duke Fei weCao akava mutongi uye akatengesa Nyika yeJin nekupinda muNyika yeRwiyo. Somugumisiro, Duke Jing weRwiyo akarwisa Cao. Hapana mauto kubva kuHurumende yeJin akauya kuzonunura iyo Nyika yeCao yakaparadzwa muna 487 BC mushure mekubatwa kwaDuke Fei weCao. Mubvunzo: Ndeapi nyika akave nehasha kune mumwe nemumwe?
Nyika dzeCao neSong