▁was ▁in ▁effect ▁Som alia ' s ▁first ▁national ▁election . ▁Although ▁the ▁draft ▁was ▁over wh el ming ly ▁approved ▁in ▁the ▁south , ▁it ▁was ▁supported ▁by ▁less ▁than ▁ 5 0 ▁percent ▁of ▁the ▁northern ▁elect or ate . ▁ ▁D iss atisf action ▁at ▁the ▁distribution ▁of ▁power ▁among ▁the ▁cl an ▁families ▁and ▁between ▁the ▁two ▁regions ▁bo iled ▁over ▁in ▁December ▁ 1 9 6 1 , ▁when ▁a ▁group ▁of ▁British - tra ined ▁junior ▁army ▁officers ▁in ▁the ▁north ▁re bel led ▁in ▁reaction ▁to ▁the ▁posting ▁of ▁higher ▁ranking ▁southern ▁officers ▁( who ▁had ▁been ▁trained ▁by ▁the ▁It ali ans ▁for ▁police ▁duties ) ▁to ▁command ▁their ▁units . ▁The ▁ring le aders ▁ur ged ▁a ▁separation ▁of ▁north ▁and ▁south . ▁Northern ▁non - comm ission ed ▁officers ▁arrested ▁the ▁reb els , ▁but ▁dis content ▁in ▁the ▁north ▁pers isted . ▁ ▁In ▁early ▁ 1 9 6 2 , ▁G SL ▁leader ▁Ha aj i ▁Mah amm ad ▁Hus seen , ▁seeking ▁in ▁part ▁to ▁explo it ▁northern ▁diss atisf action , ▁attempted ▁to ▁form ▁an ▁am alg am ated ▁party , ▁known ▁as ▁the ▁Som ali ▁Democratic ▁Union ▁( SD U ). ▁It ▁en rolled ▁northern ▁elements , ▁some ▁of ▁which ▁were ▁dis ple ased ▁with ▁the ▁northern ▁SN L ▁represent atives ▁in ▁the ▁coal ition ▁government . ▁Hus sein ' s ▁attempt ▁failed . ▁In ▁May ▁ 1 9 6 2 , ▁however , ▁Eg al ▁and ▁another