Bwana Mandela yarahuje imigwi ishamiranye y'abarundi n'iyindi migambwe mu biganiro, vyashitse ku masezerano y'amahoro yapfunditswe kw'itariki 28 Ukwezi kwa kw'umunani mu 2000 mu gisagara ca Arusha muri Tanzaniya.
