<prompt> Translate the following text to EnglishWakuu walioshindana walitawala kila kisiwa; mashamba ya samaki na mahekalu yaliwekwa; na vita vya kikabila na kati ya visiwa vilikuwa vya kawaida.  <response>: Rival chiefs ruled each island; fish farms and temples were laid out; and tribal and inter-island warfare was common. 