Which major event in the cause of the great depression occurred on october 29, 1929? a. the japanese stock market crashed b. the german stock market crashed c. the united states' stock market crashed

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).