 Nyorai mberi kweiyi ndima - rusununguko rweSouth Sudan rwakatangirwa nehondo mbiri dzevagari vemo, kubva muna 1955 kusvika muna 1972 uye kubva muna 1983 kusvika muna 2005, umo vanhu vane mamiriyoni 2,5 vakaurayiwa uye vanopfuura mamiriyoni 5 vakamanikidzwa kusiya misha yavo. Hukama pakati penyika mbiri idzi hwave huchiratidzwa nekunetsana pamusoro peGreat Nile Oil Pipeline nenzvimbo ine gakava yeAbyei, kunyangwe hazvo Sudan yaive nyika yekutanga kuziva South Sudan. Muna Ndira 2012, South Sudan yakavhara minda yayo yose yemafuta mumutsara pamusoro pemari yaidiwa neSudan kuti ipfuure mafuta. 