<prompt> Translate the following text to EnglishUongozi 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.  <response>: His 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. 