Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Pashure penguva yakati, Nyika dzeCao neSong dzakatanga kurwisana. Duke Jing weRwiyo akabata Duke Dao weCao muna 515 BC ndokumubata musungwa kusvikira afa. Pashure pacho, kusagadzikana kwakavapo muCao uye vakatsiva Duke Dao Duke Sheng weCao naDuke Yin weCao vakaurayiwa mumwe pashure pomumwe. Mutongi Fei weCao akava mutongi uye akatengesa Nyika yeJin nokupinda muNyika yeRwiyo. Somugumisiro, Duke Jing weRwiyo akarwisa Cao. Hapana mauto kubva kuHurumende yeJin akauya kuzonunura zvakadaro kuti Nyika yeCao yakaparadzwa muna 487 BC mushure mekubatwa kwaDuke Fei weCao.  Mubvunzo: Ndezvipi zvakaita kuti pave nokurwisana?
Nyika dzeCao neSong