Mezue ahịrịokwu na-esonụ: N'afọ 1958 Sendwe gara mgbakọ mba nile nke
Brussels Expo, na-arụ ọrụ dịka onye enyemaka ahụike na African Personnel Reception Center. Mgbe nke ahụ gasịrị, ọ sonyeere Mouvement pour le Progres National Congolais, nke dị mkpụmkpụ, nke ndị bịara ngosi ahụ guzobere. Na 5 Febụwarị 1959 Sendwe webatara BALUBAKAT n'ime ndị otu Confédération des associations tribales du Katanga (CONAKAT) nke Tshombe ma ọ bụrụ na ọ ga-enwe ike idobe oke nnwere onwe. Na mbido, o kwenyere n'echiche ịkpọasị nke CONAKAT, mana n'oge na-adịghị anya ọ malitere ichegbu onwe ya na iro ya megide ndị kwabatara ga-agbasa na Baluba na-abata. Sendwe nwekwara nchegbu site na njikọ chiri anya nke Tshombe na ndị Belgium ma bụrụ onye a jụrụ ajụ site na ọmarịcha ọtụtụ ndị ndọrọ ndọrọ ọchịchị ya n'etiti ndị otu ahụ. BALUBAKAT malitere imepụta ụzọ abụọ, otu na-akwado CONAKAT, nke ọzọ na-akwado Mouvement National Congolais (MNC). Sendwe duziri ndị nke a. N'October, o degaara Baudouin, bụ́ Eze ndị Belgium, akwụkwọ ozi, na-agba ya ume ka o guzogide mgbalị ndị a na-eme "ịkwatu nnukwu mba" nke ndị bu ya ụzọ guzobere.