7 8 7 ▁to ▁ 1 7 9 0 , ▁Charles ▁James ▁Fox ▁attempted ▁to ▁conv ince ▁the ▁House ▁of ▁Commons ▁to ▁pass ▁a ▁law ▁grant ing ▁D issent ers ▁full ▁citizens hip ▁rights . ▁When ▁this ▁bill ▁was ▁defeated ▁for ▁the ▁third ▁time , ▁Bar ba uld ▁wrote ▁one ▁of ▁her ▁most ▁passion ate ▁pam ph lets , ▁An ▁Address ▁to ▁the ▁O pp os ers ▁of ▁the ▁Re pe al ▁of ▁the ▁Corporation ▁and ▁Test ▁Act s ▁( see ▁Test ▁Act ). ▁Read ers ▁were ▁shock ed ▁to ▁discover ▁that ▁such ▁a ▁well - reason ed ▁argument ▁should ▁come ▁from ▁a ▁woman . ▁In ▁ 1 7 9 1 , ▁after ▁William ▁Wil ber force ' s ▁attempt ▁to ▁out law ▁the ▁slave ▁trade ▁had ▁failed , ▁Bar ba uld ▁published ▁her ▁Ep ist le ▁to ▁William ▁Wil ber force ▁E sq . ▁On ▁the ▁Re jection ▁of ▁the ▁Bill ▁for ▁Ab ol ishing ▁the ▁S lave ▁Trade , ▁which ▁not ▁only ▁l ament ed ▁the ▁fate ▁of ▁the ▁slaves , ▁but ▁war ned ▁of ▁the ▁cultural ▁and ▁social ▁deg ener ation ▁the ▁British ▁could ▁expect ▁if ▁they ▁did ▁not ▁abandon ▁sla very . ▁In ▁ 1 7 9 2 , ▁she ▁continued ▁this ▁theme ▁of ▁national ▁responsibility ▁in ▁an ▁anti - war ▁ser mon ▁entitled ▁S ins ▁of ▁Government , ▁S ins ▁of ▁the ▁Nation ▁which ▁argued ▁that ▁each ▁individual ▁is ▁responsible ▁for ▁the ▁actions ▁of ▁the ▁nation : ▁" We ▁are ▁called ▁upon ▁to ▁rep ent ▁of ▁national ▁s