Climax

All My Sons has a very traditional dramatic structure, with carefully orchestrated action that reaches a climax. Although it may be argued that each act has its own climax, with a particularly powerful one in the second act, the final climax occurs in the last act, when Joe finally realizes that he was responsible for the deaths of the American fighter pilots, his "sons."

Conflict

Tension in drama evolves from conflict. In fact, conflict is virtually mandatory in what is termed the dramatic moment, whether in a play or in fiction. A good play generally evinces a sense of a deepening conflict that heightens the emotional tension as the play works towards its climactic moment. Conflict arises as a character strives toward a goal and is met by an obstacle to that goal.

The key conflict in All My Sons develops as a result of Chris's desire to...