Willy believes wholeheartedly in the American Dream of easy success and wealth, but he never achieves it. Nor do his sons fulfill his hope that they will succeed where he has failed. When Willy’s illusions begin to fail under the pressing realities of his life, his mental health begins to unravel. The overwhelming tensions caused by this disparity, as well as those caused by the societal imperatives that drive Willy, form the essential conflict of Death of a Salesman.