ae - S ung ▁school ▁in ▁W on ju ▁in ▁order ▁to ▁pass ▁on ▁the ▁teach ings ▁of ▁An ▁Ch ang - ho , ▁and ▁participated ▁in ▁the ▁One ▁World ▁Mov ement , ▁comparing ▁notes ▁with ▁Albert ▁Ein stein . ▁ ▁From ▁ 1 9 6 1 ▁to ▁ 1 9 6 3 , ▁J ang ▁was ▁in car cer ated ▁in ▁Se oda em un ▁Pr ison ▁and ▁Ch un che on ▁Pr ison , ▁because ▁he ▁advoc ated ▁neutral ity , ▁peace , ▁and ▁un ification . ▁ ▁After ▁being ▁dis charg ed ▁from ▁prison , ▁he ▁was ▁kept ▁under ▁watch , ▁so ▁he ▁remained ▁in ▁se clusion ▁and ▁concentr ated ▁on ▁call ig raph y . ▁ ▁In ▁ 1 9 7 1 , ▁he ▁joined ▁a ▁street ▁demonstr ation ▁for ▁social ▁justice ▁and ▁strugg led ▁against ▁the ▁desp ot ism ▁of ▁Park ▁Ch ung - he e ▁with ▁Catholic ▁bishop ▁Ji ▁H ak - so on . ▁In ▁ 1 9 7 3 , ▁J ang ▁also ▁helped ▁start ▁a ▁dis aster ▁measure ▁committee ▁for ▁assist ing ▁in ▁dis aster ▁relief ▁after ▁flo oding ▁and ▁advoc ated ▁for ▁min ers ' ▁rights . ▁ ▁In ▁ 1 9 7 7 , ▁he ▁switched ▁from ▁working ▁for ▁manual ▁labor ers ▁and ▁far mers ▁to ▁advoc ating ▁for ▁life ▁based ▁on ▁sym b ios is . ▁In ▁ 1 9 8 3 , ▁he ▁established ▁Hans all im ▁union ▁and ▁held ▁six ▁private ▁exhib itions ▁in ▁Se oul ▁to ▁promote ▁the