<prompt> Translate the following text to SwahiliWhile mainland Greece was reaching its zenith during the Classical Age 480-338 b.c., the island remained a backwater of warring city-states, of which Gertis was the most powerful.  <response>: Wakati Ugiriki ya bara ilikuwa ikifikia kilele chake wakati wa Enzi ya Kale 480-338 KK, kisiwa hicho kilibaki nyuma ya majimbo ya vita, ambayo Gertys alikuwa mwenye nguvu zaidi. 