What crisis threatened the Greek polis and is believed to have led to the revolutionary changes in Greek philosophy?

Danny2008Beginner

The ancient Greeks shared a common language’ culture ‘ and religion. They considered anyone who did not speak Greek a barbarian although he Greek people had much in common hey were also very independent of each other they took great pride in the City state also knows as a polis they belonged to

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

d) iowa i believe is the answer