1) Does the pursuit of our own self-interests lead to social order and harmony, or…

1) Does the pursuit of our own self-interests lead to social order and harmony, or does it lead to social disharmony, aggression, and war? Support your answer using specific examples.
2) Think about the first responders of 9/11. Were those rescuers heroes or were they simply acting out of self-interest doing what brought them the most satisfaction? What if they had been civilians and not firefighters? Discuss what criteria you could use to distinguish between an act of selflessness and an act of self-interest.