Rambai muchinyora ndima iyi - Kalonji akashanda semumiriri weKatanga Cartel (chibvumirano pakati peFEDEKA, BALUBAKAT, neATCAR) kuBelgo-Congolese Round Table Conference mukutanga kwa1960. Pashure pacho akatungamirira hofisi yeCartel muBelgium kwemwedzi inoverengeka uye akapinda musangano weEconomic Round Table somutariri. Muna Chivabvu akasarudzwa semutevedzeri wedunhu mudunhu reKatanga uyezve musi wa12 Chikumi seneta pane isiri-yakajairwa, FEDEKA tikiti. Kalonji akadonhedza hofisi yokutanga kuti abate yokupedzisira. Mutungamiri wenyika Patrice Lumumba akamusarudza semutungamiri wehurumende yeKasai muhurumende yekutanga yeCongo yakazvimirira. Dare reSenate rakaramba vose vakasarudzwa naLumumba kuti vave makomishina ehurumende pamusana pokuti hurumende dzematunhu hadzina kubvunzurudzwa zvakakwana pakusarudzwa kwacho. Sezvo nyika yakawira munhamo
, nzvimbo yaKalonji mune zvematongerwo enyika yenyika yakave isina kusimba nekuda kwemarudzi ake akasanganiswa uye chokwadi chekuti aiomerera pakutenda kwaLumumba. Akanga achirwisana nokuparadzana kweKatangese. Muna Gumiguru akaitwa nhengo yekomisheni yakaunganidzwa naLumumba (akazobviswa) aine basa rekutarisira hukama hwake neUnited Nations Operation muCongo.