▁stop ▁and ▁rest , ▁even ▁though ▁he ▁passed ▁by ▁his ▁house ▁three ▁times . ▁ ▁Est ab lish ment ▁Yu ' s ▁success ▁in ▁stopping ▁the ▁flo oding ▁increased ▁agricult ural ▁production ▁( since ▁the ▁flo ods ▁were ▁destruct ive ). ▁The ▁X ia ▁tribe ' s ▁power ▁increased ▁and ▁Yu ▁became ▁the ▁leader ▁of ▁the ▁surrounding ▁tribes . ▁So on ▁afterwards ▁Sh un ▁sent ▁Yu ▁to ▁lead ▁an ▁army ▁to ▁suppress ▁the ▁San m iao ▁tribe , ▁which ▁continu ously ▁ab used ▁the ▁border ▁tribes . ▁After ▁defe ating ▁them , ▁he ▁ex iled ▁them ▁south ▁to ▁the ▁Han ▁River ▁area . ▁This ▁victory ▁strength ened ▁the ▁X ia ▁tribe ' s ▁power ▁even ▁more . ▁As ▁Sh un ▁aged , ▁he ▁thought ▁of ▁a ▁successor ▁and ▁rel in qu ished ▁the ▁throne ▁to ▁Yu , ▁whom ▁he ▁de emed ▁worthy . ▁Yu ' s ▁succession ▁marks ▁the ▁start ▁of ▁the ▁X ia ▁dynast y . ▁As ▁Yu ▁ne ared ▁death ▁he ▁passed ▁the ▁throne ▁to ▁his ▁son , ▁Q i , ▁instead ▁of ▁passing ▁it ▁to ▁the ▁most ▁capable ▁candidate , ▁thus ▁setting ▁the ▁preced ent ▁for ▁d yn astic ▁rule ▁or ▁the ▁Her edit ary ▁System . ▁The ▁X ia ▁dynast y ▁began ▁a ▁period ▁of ▁family ▁or ▁cl an ▁control . ▁It ▁is ▁believed ▁that ▁Z hen x un ▁( mod ern ▁G ong yi ) ▁and ▁Yang ch eng ▁( mod ern ▁Ga och eng ) ▁were ▁two ▁of ▁the ▁capit als ▁of ▁the ▁dynast y . ▁