  :Also, for your claim that ethnic identification didn't exist back then, I am afraid that your own citations prove you wrong ...namely, that a race from the kingdom of the Persians..., well if they were able to make the difference between the kingdom of Persia and a race from the kingdom of persia, i think that they were aware of certain basic ethnic differences that existed back than in the kingdoms and empires of that era... Otherwise he would have said the empire of persia has invaded...', no?  