▁it ▁as ▁the ▁South ' s ▁attention ▁shift ed ▁to ▁the ▁assass ination ▁attempt ▁on ▁Park ▁Ch ung - he e ▁and ▁the ▁USS ▁P ue blo ▁incident , ▁and ▁instead ▁worked ▁quietly ▁to ▁ensure ▁the ▁release ▁of ▁those ▁who ▁had ▁been ▁kid n apped . ▁ ▁There ▁has ▁been ▁a ▁movement ▁among ▁South ▁Korean ▁min ers ▁in ▁Germany ▁in ▁ 2 0 1 1 ▁to ▁let ▁the ▁South ▁Korean ▁government ▁officially ▁recognize ▁their ▁patri otic ▁effort . ▁ ▁North ▁Kore ans ▁ ▁There ▁was ▁also ▁a ▁Korean ▁presence ▁in ▁East ▁Germany , ▁though ▁it ▁was ▁much ▁smaller . ▁During ▁the ▁post - K ore an ▁War ▁reconst ruction ▁period ▁of ▁North ▁Korea ▁from ▁ 1 9 5 3 ▁to ▁ 1 9 6 2 , ▁many ▁North ▁Korean ▁students ▁en rolled ▁in ▁univers ities ▁and ▁colleg es ▁in ▁the ▁Soviet ▁b loc , ▁and ▁others ▁came ▁as ▁industrial ▁tra ine es . ▁In ▁ 1 9 5 5 , ▁their ▁numbers ▁in ▁East ▁Germany ▁were ▁estimated ▁at ▁ 3 3 4 ▁students , ▁ 3 0 2 ▁industrial ▁tra ine es , ▁and ▁ 2 9 8 ▁or ph ans . ▁However , ▁as ▁the ▁S ino - S ov iet ▁split ▁w ors ened , ▁the ▁North ▁Korean ▁government ▁ordered ▁nearly ▁all ▁of ▁their ▁over se as ▁national s ▁to ▁return ▁home , ▁and ▁by ▁ 1 9 6 2 , ▁few ▁North ▁Kore ans ▁were ▁left ▁in ▁Germany . ▁Even ▁those ▁who ▁married ▁loc als ▁obey ed ▁the ▁recall ▁order