G,G,S is focused on why civilizations arise in the first place, and also why it is that Eurasian civilizations became so more powerful over the long term than a

G,G,S is focused on why civilizations arise in the first place, and also why it is that Eurasian civilizations became so more powerful over the long term than any others, and for that he has a good explanation. He agrees there are many other factors involved in particular cases.