▁by ▁success ive ▁defe ats . ▁Without ▁resources ▁and ▁without ▁suitable ▁men ▁for ▁the ▁struggle , ▁Art ig as ▁finally ▁retre ated ▁to ▁Entre ▁R íos ▁Province , ▁across ▁the ▁Uruguay ▁River . ▁ ▁In ▁ 1 8 2 0 , ▁govern ors ▁Francisco ▁Ram í rez ▁and ▁Est an is la o ▁López , ▁of ▁Entre ▁R íos ▁and ▁Santa ▁Fe ▁provinces ▁respectively , ▁both ▁members ▁of ▁the ▁Federal ▁League , ▁managed ▁to ▁end ▁vict orious ▁the ▁struggle ▁against ▁the ▁central ism ▁of ▁Buenos ▁Aires , ▁defe ating ▁a ▁dimin ished ▁Supreme ▁Director ship ▁army ▁at ▁the ▁Battle ▁of ▁C ep eda ▁and ▁signing ▁a ▁federal ▁agreement ▁with ▁Buenos ▁Aires ▁Province . ▁As ▁these ▁Provin ces , ▁and ▁Cor ri entes ▁Province , ▁rejo ined ▁the ▁United ▁Provin ces ▁of ▁the ▁Río ▁de ▁la ▁Pl ata , ▁the ▁Federal ▁League ▁effectively ▁came ▁to ▁an ▁end ▁as ▁a ▁separate ▁political ▁entity . ▁ ▁The ▁Tre aty ▁of ▁P ilar ▁resulted ▁un accept able ▁to ▁Art ig as ▁so ▁he ▁ordered ▁Ram í rez ▁and ▁López ▁to ▁ren ounce ▁it , ▁but ▁they ▁dis ob ey ed . ▁Because ▁of ▁this , ▁Art ig as ▁entered ▁into ▁conflict ▁with ▁his ▁former ▁al ly ▁governor ▁Francisco ▁Ram í rez , ▁who ▁defeated ▁the ▁rem n ants ▁of ▁Art ig as ' ▁army . ▁Art ig as ▁with d rew ▁to ▁Par agu ay , ▁where ▁he ▁settled ▁as ▁an ▁ex ile ▁until ▁his ▁death . ▁The ▁Eastern ▁Province ▁was ▁an nex ed ▁by ▁Portugal ▁to