▁Sah ara . ▁On ▁ 6 ▁November ▁ 1 9 7 5 , ▁King ▁Hass an ▁asked ▁for ▁volunte ers ▁to ▁cross ▁into ▁the ▁Spanish ▁Sah ara . ▁Some ▁ 3 5 0 , 0 0 0 ▁civ ili ans ▁were ▁reported ▁as ▁being ▁involved ▁in ▁the ▁" Green ▁March ". ▁A ▁month ▁later , ▁Spain ▁agreed ▁to ▁leave ▁the ▁Spanish ▁Sah ara , ▁soon ▁to ▁become ▁Western ▁Sah ara , ▁and ▁to ▁transfer ▁it ▁to ▁joint ▁Mor oc can - M aur itan ian ▁control , ▁despite ▁the ▁ob jections ▁and ▁thre ats ▁of ▁military ▁inter vention ▁by ▁Al ger ia . ▁Mor oc can ▁forces ▁occupied ▁the ▁territory . ▁ ▁Mor oc can ▁and ▁Al ger ian ▁troops ▁soon ▁cl ashed ▁in ▁Western ▁Sah ara . ▁Mor oc co ▁and ▁Maur it ania ▁divided ▁up ▁Western ▁Sah ara . ▁Fight ing ▁between ▁the ▁Mor oc can ▁military ▁and ▁Pol is ario ▁forces ▁continued ▁for ▁many ▁years . ▁The ▁prolong ed ▁war ▁was ▁a ▁considerable ▁financial ▁d rain ▁on ▁Mor oc co . ▁In ▁ 1 9 8 3 , ▁Hass an ▁cancel led ▁planned ▁elections ▁amid ▁political ▁un rest ▁and ▁economic ▁crisis . ▁In ▁ 1 9 8 4 , ▁Mor oc co ▁left ▁the ▁Organisation ▁of ▁African ▁Unity ▁in ▁protest ▁at ▁the ▁S AD R ' s ▁ad mission ▁to ▁the ▁body . ▁Pol is ario ▁claimed ▁to ▁have ▁killed ▁more ▁than ▁ 5 , 0 0 0 ▁Mor oc can ▁soldiers ▁between ▁ 1 9 8 2 ▁and ▁