<prompt> Translate the following text to EnglishMlipuko katika moja ya migodi ya madini ulikuwa umewaua wengi wa wale ambao Fena Dim alikuwa amewaweka na matokeo yalikuwa ya kutisha sana kwamba wazee waliamua kutotumia kazi ya kulazimishwa tena.  <response>: A collapse in one of the mine shafts had killed most of the ones Fena Dim had kept and the aftermath was so horrible the elders decided never to employ forced labor again. 