Your posts always give us valuable information, @ladyrebecca. I think I've seen something about that ancient settlers, antecedents of later humanity, in some TV station report, DW.
The Darwinian idea of the survival of the strongest is reaffirmed, and something I read in a book by researcher Pierre Clastres, Archaeology of violence: war in primitive societies.
It is very interesting that they are the ones who began to use horses as a means of transport and work. I suppose that since Asia is one of the places where the already evolved horse was given, they had easy access to this animal.
Indeed, links or almost subterranean currents interweave our origins.
Thank you for your good post. Greetings.