▁of ▁Minister s . ▁In ▁ 1 8 4 0 , ▁while ▁he ▁was ▁stay ing ▁in ▁Rome , ▁his ▁minister ▁As can io ▁Mans i ▁died . ▁Mans i ' s ▁death ▁her ald ed ▁a ▁new ▁period ▁during ▁which ▁Charles ▁Louis ▁took ▁the ▁initi ative ▁more , ▁but ▁his ▁court ▁drew ▁advent ures ▁from ▁different ▁national ities ▁and ▁Lu cca ▁became ▁a ▁haven ▁for ▁liber als ▁fug it ives ▁from ▁other ▁states . ▁Some ▁of ▁them ▁were ▁un sc rup ul ous ▁advent ures ▁of ▁dub ious ▁reputation . ▁He ▁chose ▁Antonio ▁M azz ar osa , ▁an ▁em inent ▁man , ▁as ▁presiden cy ▁of ▁the ▁Council ▁of ▁State , ▁but ▁under ▁Aust rian ▁pressure , ▁he ▁appointed ▁Fab riz io ▁Ost uni ▁as ▁Foreign ▁Minister ▁representing ▁him ▁at ▁the ▁Aust rian ▁court . ▁Ost uni ▁ten ure ▁last ed ▁only ▁three ▁years ▁( 1 8 4 0 – 1 8 4 3 ) ▁and ▁coinc ided ▁with ▁a ▁period ▁of ▁increasing ▁financial ▁dist ress . ▁The ▁economy ▁of ▁the ▁du chy ▁was ▁in ▁decl ine ▁since ▁ 1 8 3 0 ▁and ▁d eter ior ated ▁further ▁with ▁the ▁years . ▁In ▁ 1 8 4 1 , ▁the ▁paint ings ▁of ▁the ▁Pal at ine ▁Gallery ▁had ▁to ▁be ▁sold . ▁The ▁irregular ities ▁committed ▁by ▁Ost uni ▁were ▁discovered ▁and ▁den ounced ▁by ▁Charles ▁Louis ' ▁new ▁right - hand ▁man , ▁Thomas ▁Ward . ▁ ▁Charles ▁Louis ▁rarely ▁saw ▁his ▁wife , ▁who ▁after ▁ 1