What helped 230 of Jehovah's Witnesses to survive a death march at the end of World War II?
Kwantle ga maatla a a tswang kwa Modimong, ke eng gape se se neng sa thusa Basupi ba le 230 gore ba itshoke mo mogwantong o moleele go tswa kwa kampeng ya pogiso kwa Sachsenhausen?