Man vs. Self: Willy constantly battles himself in the course of DOAS. In his age and seniality Willy has let his mind slip, and because of this, his job, his life at home, and his relationships have all begun to decline. Willy is constantly battling against his own impairments to rise above his disabilities and provide for his family, and more importantly to himself, his ego, again.
Man vs. Society: Willy Loman lives in a cruel time for men like himself, fallen from grace, Willy no longer can proivide for his family, or even control himself. Fired from his job, Willy's forced to ask his friend for money every week to pretend he still makes money at his job. Society has completely turned on the Willy of old, where he was a succesful salesman, and left him a decrepid lost man.
The American Dream: Willy completely believes that a well liked attractive man can make it anywhere. When he fails, he sees this as a failure of not only the American Dream, but of himself too. He then sees himself as a personally unnatractive man, who is not liked in th community. This crushes Willy and ends his American Dream.