<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?watu wengi wa sudan kusini walikimbilia kaskazini wakati wa vita vya wenyewe kwa wenye vilivyodumu kwa miaka 21 ambavyo viliharibu eneo kubwa la kusini.  <response>: many southern sudanese fled to the north during a 21-year civil war that ravaged much of the south. 