▁Category : Transport ation ▁in ▁Jefferson ▁County , ▁Washington <0x0A> </s> ▁Man orial ism ▁or ▁se ign orial ism ▁was ▁an ▁organ izing ▁principle ▁of ▁rural ▁econom ies ▁which ▁v ested ▁legal ▁and ▁economic ▁power ▁in ▁a ▁lord ▁of ▁the ▁man or . ▁ ▁He ▁was ▁supported ▁econom ically ▁from ▁his ▁own ▁direct ▁land hold ing ▁in ▁a ▁man or ▁( s ometimes ▁called ▁a ▁f ief ), ▁and ▁from ▁the ▁oblig atory ▁contributions ▁of ▁a ▁leg ally ▁subject ▁part ▁of ▁the ▁pe asant ▁population ▁under ▁his ▁juris diction ▁and ▁that ▁of ▁his ▁man orial ▁court . ▁These ▁oblig ations ▁could ▁be ▁pay able ▁in ▁several ▁ways , ▁in ▁labor ▁( the ▁French ▁term ▁cor v ée ▁is ▁convention ally ▁applied ), ▁in ▁kind ▁or ▁in ▁coin . ▁▁ ▁Man orial ism ▁origin ated ▁in ▁the ▁Roman ▁villa ▁system ▁of ▁the ▁Late ▁Roman ▁Empire , ▁and ▁was ▁widely ▁pract iced ▁in ▁medieval ▁western ▁and ▁parts ▁of ▁central ▁Europe ▁as ▁well ▁as ▁China . ▁An ▁essential ▁element ▁of ▁fe ud al ▁society , ▁man orial ism ▁was ▁slowly ▁replaced ▁by ▁the ▁advent ▁of ▁a ▁money - based ▁market ▁economy ▁and ▁new ▁forms ▁of ▁agr arian ▁contract . ▁ ▁In ▁exam ining ▁the ▁orig ins ▁of ▁the ▁mon astic ▁clo ister , ▁Walter ▁Horn ▁found ▁that ▁" as ▁a ▁man orial ▁entity ▁the ▁Carol ing ian ▁monaster y   ... ▁differ ed ▁little ▁from ▁the ▁fabric ▁of ▁a ▁fe ud al ▁estate , ▁save ▁that ▁the ▁corpor ate ▁community ▁of ▁men ▁for ▁whose ▁su sten