peror ' s ▁third ▁son ▁and ▁not ▁fav ored ▁for ▁the ▁succession . ▁Many ▁of ▁his ▁powerful ▁minister s ▁were ▁opposed , ▁and ▁this ▁led ▁to ▁a ▁cl ash ▁between ▁so ver eign ▁and ▁minister s ▁that ▁last ed ▁more ▁than ▁ 1 5 ▁years . ▁In ▁October ▁ 1 6 0 1 , ▁the ▁W an li ▁Emperor ▁finally ▁gave ▁in ▁and ▁promoted ▁Z hu ▁Ch ang lu o ▁– ▁the ▁future ▁Ta ich ang ▁Emperor ▁– ▁as ▁crown ▁prince . ▁Although ▁the ▁minister s ▁seem ▁to ▁have ▁triumph ed , ▁the ▁W an li ▁Emperor ▁adopted ▁a ▁policy ▁of ▁pass ive ▁resistance , ▁ref using ▁to ▁play ▁his ▁part ▁in ▁allowing ▁the ▁government ▁to ▁function ▁ade qu ately , ▁leading ▁to ▁serious ▁problems ▁both ▁within ▁China ▁itself ▁and ▁on ▁the ▁borders . ▁Additionally , ▁the ▁em peror ▁continued ▁to ▁express ▁his ▁ob jection ▁to ▁the ▁choice ▁of ▁Z hu ▁Ch ang lu o ▁as ▁he ir ▁apparent , ▁even ▁delay ing ▁the ▁bur ial ▁of ▁Crown ▁Princess ▁Gu o ▁by ▁two ▁years , ▁before ▁allowing ▁her ▁to ▁be ▁buried ▁appropri ately ▁for ▁the ▁wife ▁of ▁the ▁crown ▁prince . ▁ ▁At ▁this ▁time ▁began ▁the ▁growth ▁of ▁what ▁would ▁become ▁the ▁Man ch u ▁threat . ▁The ▁area ▁known ▁as ▁Man ch uria ▁in ▁n ort he astern ▁China ▁was ▁gradually ▁conquer ed ▁by ▁the ▁J urch en ▁ch ie ft ain ▁Nur ha ci . ▁Nur ha ci ▁would ▁go ▁on ▁to ▁create ▁the ▁Later ▁Jin ▁dynast y ▁( the