The Vodka-Hashish Dividing Line

In his lecture, the Era of the Crusades, historian Kenneth Harl makes this interesting comment: “Some scholars have argued that Central Asian steppe nomads were almost destined to convert to Islam because of their religious tradition and their location relative to the “vodka-hashish” dividing line. In the forest zones of Russia, where vodka was consumed, Christianity prevailed. The steppe nomads who used hashish inclined to Islam.”