Final answer:
Shakespeare most develops the element of conflict among characters in this passage from Hamlet, Act III, Scene iv.
Step-by-step explanation:
In this passage from Hamlet, Shakespeare most develops the element of conflict among characters. The conflict is evident in the interactions between Gertrude, Polonius, and Hamlet. Gertrude is shocked and fearful when she realizes that Hamlet may harm her, Polonius calls for help, and Hamlet, thinking there is an intruder, draws his weapon. This conflict adds tension and suspense to the plot, making it a crucial element of tragedy.