▁was ▁primarily ▁concerned ▁with ▁appointment ▁of ▁officials ▁Ministry ▁of ▁Tax ation ▁( H o jo , ▁ 호 조 , ▁ <0xE6> <0x88> <0xB6> <0xE6> <0x9B> <0xB9> ) ▁- ▁tax ation , ▁fin ances , ▁census , ▁agricult ure , ▁and ▁land ▁policies ▁Ministry ▁of ▁R ites ▁( Y e jo , ▁ 예 조 , ▁ <0xE7> <0xA6> <0xAE> <0xE6> <0x9B> <0xBA> ) ▁- ▁rit uals , ▁culture , ▁diplom acy , ▁g w age o ▁exam ▁Ministry ▁of ▁Def ence ▁( By e ong jo , ▁ 병 조 , ▁ 兵 <0xE6> <0x9B> <0xBA> ) ▁- ▁military ▁affairs ▁Office ▁of ▁Police ▁Bureau ▁( P odo che ong , ▁ 포 도 청 , ▁ <0xE6> <0x8D> <0x95> <0xE7> <0x9B> <0x9C> <0xE5> <0xBB> <0xB3> ) ▁- ▁office ▁for ▁public ▁order ▁Ministry ▁of ▁Justice ▁( H ye ong jo , ▁ 형 조 , ▁ <0xE5> <0x88> <0x91> <0xE6> <0x9B> <0xBA> ) ▁- ▁administration ▁of ▁law , ▁sla very , ▁pun ish ments ▁Ministry ▁of ▁Com merce ▁( G ong jo , ▁ 공 조 , ▁ 工 <0xE6> <0x9B> <0xB9> ) ▁- ▁industry , ▁public ▁works , ▁manufact uring , ▁min ing ▁ ▁Three ▁Off ices ▁Three ▁Off ices , ▁or ▁S ams a ▁( 삼 사 ), ▁is ▁a ▁collect ive ▁name ▁for ▁three ▁offices ▁that ▁function ed ▁as ▁major ▁organ ▁of ▁press ▁and ▁provided ▁checks ▁and ▁balance ▁on ▁the ▁king ▁and ▁the ▁officials . ▁While ▁mode led ▁after ▁Chinese ▁system , ▁they ▁played ▁much ▁more ▁prominent ▁roles ▁in ▁Jose