 Nyorai kuenderera mberi kwechikamu chino - Mushure mekunge Lumumba aurayiwa, US yakatanga kupa mari kuna Mobutu kuitira kuti amudzivirire kubva kuvapanduki nevapikisi. Vatsigiri vazhinji vaLumumba vakaenda kumabvazuva ndokuumba Free Republic of the Congo ine guta rayo guru muStanleyville vachipikisa hurumende yaMobutu. Pakupedzisira, hurumende muStanleyville yakabvuma kubatana zvakare nehurumende yeLeopoldville pasi pehutongi hwekupedzisira, zvisinei muna 1963, vatsigiri veLumumba vakaumba imwe hurumende yakaparadzana kumabvazuva kwenyika ndokutanga kupandukira kweSimba. Kumukira kwacho kwakatsigirwa neSoviet Union nedzimwe nyika dzakawanda dzokuEastern Bloc. Muna November 1964, U.S. neBelgium zvakatanga Operation Dragon Rougekununura nhapwa dzakatorwa nevapanduki veSimba muStanleyville. Basa racho rakabudirira uye rakabudisa vapanduki vechiSimba muguta, vachivasiya vasina kugadzikana. VaSimba pakupedzisira vakakundwa gore rakatevera racho neuto reCongo. 