To travel from the Eastern Roman Empire to the Persian Empire in which direction

would a merchant have to go?

please help.

east

Explanation: just like the name suggest, the roman empires lies on the eastern part of Europe. so a merchant travelling from Persian empire to the roman empire would have to travel east ward.

answer; ///i believe the correct answer is john marshall;

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).