▁Maryland ▁can ▁be ▁trac ed ▁back ▁through ▁many ▁dec ades ▁of ▁his ▁life , ▁but ▁the ▁depth ▁of ▁that ▁opposition ▁went ▁through ▁an ▁evolution ▁from ▁mil der ▁and ▁more ▁under st ated ▁in ▁the ▁beginning , ▁to ▁being ▁stronger , ▁more ▁vocal ▁and ▁more ▁mor ally ▁based ▁by ▁the ▁time ▁of ▁the ▁E man cip ation ▁Pro clam ation ▁and ▁then ▁the ▁following ▁state ▁level ▁effort ▁to ▁end ▁sla very ▁in ▁Maryland , ▁as ▁the ▁state ▁was ▁not ▁included ▁in ▁the ▁E man cip ation ▁Pro clam ation ▁because ▁it ▁was ▁not ▁in ▁the ▁Confeder acy . ▁ ▁Kennedy ▁once ▁wrote ▁that ▁witness ing ▁a ▁speech ▁by ▁Frederick ▁Doug lass ▁had ▁opened ▁his ▁eyes ▁more ▁fully ▁to ▁the ▁" cur se " ▁of ▁sla very , ▁as ▁Kennedy ▁called ▁it ▁by ▁ 1 8 6 3 . ▁ ▁Kennedy ' s ▁ 1 8 3 0 s ▁novel ▁Sw allow ▁Bar n ▁is ▁critical ▁of ▁sla very ▁but ▁also ▁ideal izes ▁plant ation ▁life . ▁However , ▁the ▁original ▁manuscript ▁shows ▁that ▁some ▁of ▁Kennedy ' s ▁initial ▁descri ptions ▁of ▁plant ation ▁life ▁were ▁much ▁more ▁critical ▁of ▁sla very , ▁but ▁that ▁he ▁crossed ▁those ▁out ▁of ▁the ▁manuscript ▁before ▁the ▁book ▁went ▁to ▁the ▁printer , ▁possibly ▁because ▁he ▁was ▁afraid ▁of ▁being ▁too ▁open ly ▁critical ▁of ▁sla very ▁while ▁living ▁in ▁Maryland , ▁a ▁slave ▁state . ▁ ▁Histor ians ▁are ▁not ▁in ▁cons ensus ▁as ▁to ▁whether ▁his ▁earlier ▁so fter ▁opposition ▁to ▁sla very ▁was ▁a