▁the ▁Four th ▁Sie ge ▁of ▁ 1 3 3 3 , ▁immediately ▁after ▁the ▁fort ified ▁town ▁had ▁been ▁captured ▁by ▁the ▁Mo ors ▁in ▁the ▁Third ▁Sie ge , ▁but ▁had ▁been ▁forced ▁to ▁withdraw ▁after ▁two ▁months ▁of ▁sie ge ▁war fare . ▁Peace ▁was ▁tempor arily ▁restored ▁through ▁a ▁four - year ▁tr uce ▁that ▁exp ired ▁in ▁ 1 3 3 8 . ▁ ▁After ▁res uming ▁the ▁conflict ▁in ▁ 1 3 3 9 , ▁the ▁Mo ors ▁suffered ▁major ▁revers es . ▁A ▁Mor oc can ▁army ▁under ▁Abd ▁al - Mal ik ▁Abd ▁al - W ah id ▁was ▁w ip ed ▁out ▁by ▁the ▁Cast ili ans ▁in ▁ 1 3 3 9 ▁while ▁in ▁ 1 3 4 0 ▁a ▁much ▁bigger ▁army ▁under ▁Y us uf ▁I ▁of ▁Gran ada ▁and ▁Sultan ▁Ab u ▁al - Has an ▁Ali ▁ibn ▁O th man ▁of ▁Mor oc co ▁was ▁destroyed ▁in ▁the ▁Battle ▁of ▁Río ▁Sal ado ▁by ▁a ▁Christian ▁army ▁representing ▁all ▁the ▁Christian ▁Spanish ▁kingdom s ▁and ▁Portugal . ▁It ▁was ▁one ▁of ▁the ▁largest ▁batt les ▁of ▁the ▁Re con qu ista ▁with ▁possibly ▁as ▁many ▁as ▁ 1 5 0 , 0 0 0 – 2 0 0 , 0 0 0 ▁men ▁on ▁each ▁side ; ▁the ▁Mo ors ▁admitted ▁to ▁ 6 0 , 0 0 0 ▁dead ▁on ▁their ▁side ▁alone . ▁Although ▁the ▁defeat ▁left ▁Mo or ish ▁And alus ia ▁extremely ▁vulner able ,