THE MEXICAN NATIONAL ERA BEGAN WITH THE "GRITO DE DELORES
BY THE PRIEST

the us constitution is a living document, meaning that it can be changed over time as the country changes.

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).