Here's why it's the turning point:
* Hamlet's Confirmation: Hamlet uses the play to test his suspicions about Claudius' guilt in his father's death. The King's reaction to the play confirms Hamlet's theory, giving him the irrefutable evidence he needs.
* Hamlet's Action: The play acts as a catalyst for Hamlet's own actions. He is now determined to take revenge, though his methods are still unclear.
* Shift in Power Dynamics: The play marks a shift in the power dynamics of the play. Hamlet is no longer just a grieving son, but a man with knowledge and a plan. Claudius, on the other hand, is now exposed and vulnerable.
* Tragic Escalation: The play also marks a tragic escalation of the conflict. Claudius, fearing exposure, becomes more ruthless and plots against Hamlet, leading to the series of tragic events that unfold in the remaining acts.
While the "Mousetrap" is widely recognized as the turning point, other arguments can be made for other scenes, such as:
* Hamlet's First Soliloquy (Act 1, Scene 2): Here, Hamlet first reveals his internal struggle and desire for revenge.
* Hamlet's Encounter with the Ghost (Act 1, Scene 5): This moment sets the plot in motion, and Hamlet is tasked with seeking revenge.
* Hamlet's Killing of Polonius (Act 3, Scene 4): This act of violence marks a shift in Hamlet's character and sets in motion a chain of events that ultimately lead to his own demise.
Ultimately, while the "Mousetrap" is the most commonly cited turning point, each of these moments contributes to the escalating tension and tragedy of the play.