ter bury ▁had ▁a ▁mon astic ▁chapter , ▁while ▁York ▁had ▁sec ular ▁cler gy ▁in ▁the ▁form ▁of ▁can ons , ▁inter ject ing ▁a ▁note ▁of ▁sec ular ▁and ▁mon astic ▁cler ical ▁rival ries ▁into ▁the ▁dispute . ▁Another ▁problem ▁that ▁inter tw ined ▁with ▁the ▁dispute ▁was ▁the ▁In vest iture ▁controvers y ▁in ▁England , ▁which ▁was ▁concurrent ▁with ▁the ▁dispute ▁and ▁involved ▁most ▁of ▁the ▁same ▁protagon ists . ▁The ▁k ings ▁of ▁England , ▁who ▁might ▁have ▁forced ▁a ▁decision , ▁were ▁more ▁concerned ▁with ▁other ▁matters , ▁and ▁were ▁amb ivalent ▁about ▁Can ter bury ' s ▁claims , ▁which ▁removed ▁a ▁potential ▁way ▁to ▁resolve ▁the ▁dispute . ▁At ▁times , ▁k ings ▁supported ▁Can ter bury ' s ▁claims ▁in ▁order ▁to ▁keep ▁the ▁north ▁of ▁England ▁from ▁revol ting , ▁but ▁this ▁was ▁bal anced ▁by ▁the ▁times ▁that ▁the ▁k ings ▁were ▁in ▁quar rel s ▁with ▁Can ter bury . ▁ ▁The ▁pop es , ▁who ▁were ▁often ▁called ▁upon ▁to ▁decide ▁the ▁issue , ▁had ▁their ▁own ▁concerns ▁with ▁grant ing ▁a ▁prim acy , ▁and ▁did ▁not ▁wish ▁to ▁actually ▁rule ▁in ▁Can ter bury ' s ▁favour . ▁But ▁the ▁main ▁driving ▁forces ▁behind ▁the ▁Can ter bury ▁position ▁were ▁Lan fran c ▁and ▁An sel m ▁of ▁Can ter bury , ▁both ▁of ▁whom ▁enjoyed ▁immense ▁prest ige ▁in ▁the ▁church ▁and ▁thus ▁it ▁was ▁not ▁easy ▁for ▁the ▁pap acy ▁to ▁rule ▁against ▁them ▁or