According to james madison, america's fourth president, the great challenge was to devise government institutions that would protect even if a majority of the people were selfish and corrupt.

Individual Rights. Madison was a staunch supporter of the Constitution, as can be seen in the Federalist Papers he wrote with John Jay and Alexander Hamilton. Madison would, however, "switch sides" and join the Anti-Federalists in calling for a Bill of Rights. He wanted something to be there to protect the people not in power from those that had the power. 

"teotihuacan was the cultural center of the zapotecs".