▁his ▁written ▁order , ▁according ▁to ▁Napoleon ' s ▁instructions , ▁to ▁Marsh al ▁Gr ouch y ▁to ▁position ▁his ▁force ▁on ▁the ▁British ▁army ' s ▁left ▁fl ank , ▁to ▁prevent ▁rein for cement ▁by ▁their ▁Pr uss ian ▁al lies . ▁ ▁Corn well ▁de cri es ▁the ▁word ing ▁of ▁Sou lt ' s ▁order ▁as ▁" al most ▁im pen et rable ▁n ons ense ", ▁and ▁Gr ouch y ▁mis inter pre ted ▁the ▁order ▁and ▁instead ▁march ed ▁against ▁the ▁Pr uss ian ▁re arg u ard ▁at ▁W av re . ▁ ▁Political ▁career ▁ ▁At ▁the ▁Second ▁Rest oration ▁( 1 8 1 5 ) ▁he ▁was ▁ex iled , ▁but ▁in ▁ 1 8 1 9 ▁he ▁was ▁re called ▁and ▁in ▁ 1 8 2 0 ▁again ▁made ▁a ▁Marsh al ▁of ▁France . ▁He ▁once ▁more ▁tried ▁to ▁show ▁himself ▁a ▁fer vent ▁Royal ist ▁and ▁was ▁made ▁a ▁peer ▁in ▁ 1 8 2 7 . ▁After ▁the ▁revolution ▁of ▁ 1 8 3 0 ▁he ▁declared ▁himself ▁a ▁part isan ▁of ▁Louis ▁Philippe , ▁who ▁wel com ed ▁his ▁support ▁and ▁rev ived ▁for ▁him ▁the ▁title ▁of ▁Marsh al ▁General ▁of ▁France , ▁previously ▁held ▁only ▁by ▁Tur enne , ▁Claude ▁Louis ▁H ector ▁de ▁Vill ars ▁and ▁Maurice ▁de ▁Sax e . ▁ ▁Sou lt ▁served ▁as ▁Minister ▁of ▁War ▁from ▁ 1 8 3 0 ▁to ▁ 1 8 3 4 , ▁as ▁President ▁of ▁the