Did our Founding Fathers crowdsource in 1787? Explain.

The Founding Fathers knew that as our country grew it would change, so instead of creating steadfast rules, they created a framework to follow which we call the United States Constitution.

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).

china has confucianism thats everywhere in asia but it isn't really a religion.