iqu ▁King ▁to ▁Gan qu an ▁Palace ▁again , ▁and ▁had ▁him ▁assass in ated ▁on ▁the ▁spot . ▁ ▁Short ly ▁after , ▁the ▁Q in ▁army ▁inv aded ▁and ▁over ran ▁the ▁leader less ▁Y iqu , ▁perman ently ▁an nex ing ▁its ▁entire ▁territory ▁into ▁the ▁newly ▁established ▁command eries ▁of ▁Long xi ▁and ▁Be idi ▁( 北 地 ). ▁ ▁The ▁X ir ong ▁threat ▁that ▁had ▁pl ag ued ▁the ▁state ▁of ▁Q in ▁for ▁over ▁five ▁centuries ▁was ▁removed ▁for ▁good . ▁ ▁War ▁against ▁Q i ▁ ▁The ▁state ▁of ▁Q in ▁actually ▁did ▁not ▁share ▁any ▁borders ▁with ▁the ▁state ▁of ▁Q i , ▁but ▁they ▁never theless ▁cl ashed ▁with ▁each ▁other ▁due ▁to ▁the ▁complicated ▁z ong - h eng ▁diplom acy ▁during ▁the ▁W arring ▁States ▁period . ▁ ▁In ▁ 2 9 9 ▁BC , ▁King ▁Z ha ox i ang ▁invited ▁Lord ▁M eng ch ang ▁to ▁Q in ▁with ▁the ▁intention ▁of ▁appoint ing ▁him ▁as ▁ch an cell or . ▁ ▁However , ▁after ▁hearing ▁( per haps ▁ill - int ended ) ▁warnings ▁from ▁his ▁minister s ▁that ▁Lord ▁M eng ch ang ▁was ▁still ▁loyal ▁to ▁his ▁home ▁state ▁of ▁Q i ▁( which ▁had ▁just ▁sou red ▁its ▁diplom atic ▁relationship ▁with ▁Q in ), ▁King ▁Z ha ox i ang ▁ordered ▁Lord ▁M eng ch ang ▁to ▁be ▁put ▁under ▁house ▁arrest . ▁ ▁Des perate , ▁Lord ▁M eng ch ang ▁sent ▁a