rier ▁in ▁ 1 8 4 2 . ▁ ▁After ▁the ▁out break ▁of ▁the ▁March ▁Revolution ▁in ▁ 1 8 4 8 , ▁Au ers wald ▁was ▁named ▁Ober präsident ▁in ▁König s berg ▁of ▁the ▁Province ▁of ▁Pr uss ia ▁by ▁Prime ▁Minister ▁Lud olf ▁Cam ph aus en . ▁After ▁Cam ph aus en ▁res igned , ▁Au ers wald ▁became ▁Prime ▁Minister ▁on ▁ 2 5 ▁June , ▁as ▁well ▁as ▁Foreign ▁Minister . ▁A ▁constitution ▁for ▁the ▁Kingdom ▁of ▁Pr uss ia ▁was ▁proposed ▁during ▁Au ers wald ' s ▁term ; ▁its ▁model ▁was ▁the ▁liberal ▁Belg ian ▁Constitution ▁of ▁ 1 8 3 1 , ▁which ▁had ▁strongly ▁influenced ▁R hen ish ▁liberal ism . ▁However , ▁it ▁was ▁not ▁accepted ▁by ▁the ▁Pr uss ian ▁National ▁Assembly , ▁which ▁created ▁its ▁own ▁constitution al ▁committee ▁instead . ▁Au ers wald ' s ▁min istry ▁col lapsed ▁on ▁ 8 ▁September ▁when ▁the ▁National ▁Assembly ▁called ▁for ▁the ▁government ▁to ▁demand ▁the ▁res ignation ▁of ▁conserv ative ▁members ▁of ▁the ▁military . ▁ ▁After ▁his ▁res ignation , ▁Au ers wald ▁returned ▁to ▁his ▁post ▁as ▁Ober präsident ▁in ▁König s berg . ▁After ▁the ▁dissol ution ▁of ▁the ▁National ▁Assembly , ▁the ▁im position ▁of ▁the ▁constitution ▁of ▁the ▁Kingdom ▁of ▁Pr uss ia ▁and ▁the ▁vote ▁for ▁a ▁new ▁parliament ▁of ▁Pr uss ia ▁led ▁Au ers wald ▁to ▁return ▁to ▁national ▁politics . ▁He ▁served ▁as ▁president ▁of ▁the ▁First ▁Chamber ▁( l