The sarin gas attack in the tokyo subway was the first use of a new kind of terrorism. how did it differ from earlier attacks? 20

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).

missouri compromise of 1820 which prohibited slavery