Modern drama generally depicts a moral and spiritual wasteland and the resultant crises in the moder n society. O’Neill’s modern art is a clear instance of the gravity of the impending spiritual and ethical crises . However, l ittle has been written to explain what the specific nature of this crisis is? Moreover, how does it emerge in his tragic art? How far it adheres or dif fers from the traditions of tragedy? The study takes into consideration these to explore various dimensio ns of ethical crises in O’Neill’s modern theatre. It concludes that the predominance of ethical crises in diverse fashions i s an obstacle to block ri se in anti - Americanism and dissolve emerging conflict between Pakistani civil society and American desire f or greater association with the civil society at micro level in Pakistan.