How do checks and balances in the constitution control the powers of government and lead to the development of democratic government

Checks and balances keep each branch of the government in order, it works in hand with the concept of separation of powers. Over time this has lead the country to be more organized and in turn more democracy driven.

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).