▁In ▁ 1 9 4 6 , ▁he ▁returned ▁to ▁the ▁island ▁and ▁was ▁offered ▁a ▁position ▁in ▁the ▁Department ▁of ▁Human ities ▁at ▁the ▁University ▁of ▁Puerto ▁Rico . ▁ ▁He ▁was ▁fired ▁in ▁ 1 9 4 8 , ▁due ▁to ▁the ▁political ▁un rest ▁spread ing ▁throughout ▁Puerto ▁Rico ▁and ▁his ▁pro - in dep end ence ▁activ ism . ▁ ▁Author ▁In ▁ 1 9 4 9 , ▁he ▁left ▁the ▁island ▁and ▁moved ▁to ▁the ▁United ▁States ▁where ▁he ▁taught ▁in ▁various ▁univers ities ▁in ▁Louisiana , ▁Texas ▁and ▁Washington , ▁D . C .. ▁ ▁Fer rer ▁Can ales ▁went ▁to ▁Mexico ▁and ▁en rolled ▁in ▁the ▁National ▁Aut onom ous ▁University ▁of ▁Mexico ▁where ▁he ▁earned ▁his ▁Doctor ate ▁D eg ree ▁in ▁Let ters ▁in ▁ 1 9 5 2 ▁with ▁his ▁th esis : ▁" Var ona , ▁escrit or ". ▁ ▁In ▁ 1 9 6 3 , ▁he ▁returned ▁to ▁Puerto ▁Rico ▁and ▁the ▁University ▁of ▁Puerto ▁Rico ▁once ▁again ▁opened ▁their ▁doors ▁to ▁him . ▁ ▁He ▁taught ▁Spanish ▁literature ▁and ▁Political ▁History . ▁ ▁During ▁this ▁time ▁he ▁be friend ▁Dr . ▁Mar got ▁Ar ce ▁de ▁V áz quez ▁who ▁also ▁served ▁as ▁an ▁insp iration ▁for ▁his ▁writ ings . ▁He ▁was ▁invited ▁as ▁a ▁quest ▁speaker ▁to ▁many ▁countries , ▁among ▁them ▁the ▁United ▁States , ▁Mexico , ▁Cuba , ▁Brazil , ▁Canada , ▁E cuador , ▁Peru , ▁Venezuela , ▁Spain , ▁France , ▁Hung ary