Answer :
Final answer:
The collaboration of Kyd and Marlowe in introducing new verse forms and a conceptual framework was the most direct cause of more passionate performances in plays like The Spanish Tragedy.
Explanation:
The most direct cause of the more passionate performances in plays such as The Spanish Tragedy was the collaboration of Kyd and Marlowe. These playwrights introduced new verse forms and a conceptual framework that emphasized intense emotions and resonated with audiences, leading to more passionate portrayals on stage.
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