<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?vita vya wenyewe kwa wenyewe vilipozuka sudan kusini desemba mwaka 2013 na hivyo kuwalazimisha watu milioni mbili kukimbia nchini.  <response>: south sudans civil war broke out in december 2013 and has since forced two million people to flee the country. 