<prompt> Translate the following text to EnglishWakiwa wamehamishwa kusini, Wadravida walibaki tofauti kijiografia tu, lakini pia wakiwa huru kisiasa, bila kuathiriwa na mawimbi ya wavamizi wa kigeni.  <response>: Driven south, the Dravidians remained not only geographically separate, but also politically independent, impervious to the waves of foreign invaders. 