quote:It is commonly believed that the reason for the spread of this language is related to the domestication of the horse by its speakers and their expansion following a farming crisis in Neolithic Europe.
Horses are relatively recent and not seen in all places of geo-history. Language appears began silmutaniously, giving a certain kernal of mystery to the Genesis story of Babel. It does not appear language,a follow-up of speech attribute, was driven by any natural impacting factor other than an inherent trait in a recent or last specie of life forms. It appeared suddenly, bypassing the normal evolutionary tracks by its time factor appearance [the older species should have acquired language and speech first] and of its being unique to one specie only. Language does not appear connected with a superior brain or with the normal collection of all other life form communications.
quote:the central problem is that Indo-European is too old for genesis.
If you mean the Hebrew bible, yes this is a late comer in the ancient world. However, I find it mysterious that Genesis depicts the history of modern man [speech endowed kind] with remarkable credibility. There is no other document which lists names, dates, places and events dating 5000 to 6000 years which matches Genesis. I know of no name, nation, city, king, monument, etc - older than that depicted in Genesis - there is no history beyond 6000.