<prompt> Translate the following text to SwahiliHis policy succeeded for a time, but following his abdication in a.d. 305, the empire continued to weaken, harassed by invaders and troubled by internal strife.  <response>: Uongozi wake ulifanikiwa kwa muda, lakini baada ya kuachana na ufalme wake mwaka wa 305, milki hiyo iliendelea kudhoofika, ikisumbuliwa na wavamizi na kusumbuliwa na mapigano ya ndani. 