With Islam’s warriors, traders, and scholars crossing into –, with Chinese influences taking deeper root in –, and with Christendom extending itself across Europe, religion and empire once again – to serve as the social foundation across much of Afro-Eurasia:. 1) Chinese 2) Scholars influences taking deeper root in 3) Europe -, and with - extending itself 4) East Asia across Europe, - and empire 5) Christendom once again - to serve as the - 6) Religion foundation across much of -. 7) intertwined 8) Social 9) Afro-Eurasia