Democracy has changed dramatically since its original application in ancient athens. Describe the evolution of Democracy by comparing and contrasting...

Democracy has changed dramatically since its original application in ancient athens. Describe the evolution of Democracy by comparing and contrasting direct democracy with representative democracy. In completing this comparision, be sure to incorporate Aristotle's concerns about democracy and assess the stability offered by these variations within democracy.
Compare and contrast singled member distrist and proportional reresentation (PR). How effective is each electoral system in representing its peoples interests? How does each support the party system around which it arouse? Please be sure to use examples from within U.S and U.K systems to support your response.