▁Early ▁reign ▁( 1 5 7 2 – 1 5 8 2 ) ▁Z hu ▁Y ij un ▁asc ended ▁the ▁throne ▁at ▁the ▁age ▁of ▁ten ▁and ▁adopted ▁the ▁reg nal ▁name ▁" W an li ", ▁thus ▁he ▁is ▁histor ically ▁known ▁as ▁the ▁W an li ▁Emperor . ▁For ▁the ▁first ▁ten ▁years ▁of ▁his ▁reign , ▁he ▁was ▁a ided ▁by ▁the ▁Senior ▁Grand ▁Secretary ▁( sh ǒ uf ǔ ), ▁Z hang ▁J uz h eng , ▁who ▁govern ed ▁the ▁country ▁as ▁Y ij un ' s ▁reg ent . ▁During ▁this ▁period , ▁the ▁W an li ▁Emperor ▁deeply ▁respect ed ▁Z hang ▁as ▁a ▁ment or ▁and ▁a ▁val ued ▁minister . ▁Arch ery ▁compet itions , ▁e quest rian ism ▁and ▁call ig raph y ▁were ▁some ▁of ▁the ▁past imes ▁of ▁W an li . ▁ ▁As ▁Z hang ▁J uz h eng ▁was ▁appointed ▁Minister ▁of ▁M ing ▁dynast y ▁in ▁ 1 5 7 2 , ▁he ▁launched ▁a ▁reform ▁by ▁the ▁name ▁of ▁“ ab iding ▁by ▁ancest ors ’ ▁rules ". ▁He ▁started ▁from ▁rect ifying ▁administration ▁with ▁a ▁series ▁of ▁measures ▁such ▁as ▁reducing ▁redundant ▁personnel ▁and ▁en han cing ▁assess ment ▁of ▁officials ’ ▁performance . ▁This ▁improved ▁officials ’ ▁quality ▁and ▁efficiency ▁of ▁administration , ▁and ▁based ▁on ▁such ▁facts ▁he ▁launched ▁relevant ▁re forms ▁in ▁the ▁fields ▁of ▁land , ▁fin ance , ▁and ▁military ▁affairs . ▁In ▁ess ence , ▁Z hang ▁J uz