 During this time, the Katangan resistance against Congo's central government was definitively crushed and the breakaway province of Katanga was integrated back into the Congolese government formation.Hederén experienced the final stage of the UN's mandate at the Kamina Base, since it had been maintained and guarded by UN staff for nearly four years.He was the initiator of the reconstruction of the Bukama Bridge and of a major medicine collection for the benefit of the population of Sector Kamina.