Final answer:
Marc Antony asks the conspirators to let him speak at Caesar's funeral, which becomes an essential element in swaying public opinion against them in Shakespeare's 'Julius Caesar'.
Step-by-step explanation:
When Marc Antony sees Caesar's dead body, he asks the conspirators to let him speak at Caesar's funeral. This request is a strategic move that allows Antony to address the public and incite them against the conspirators by delivering his famous funeral oration, which is depicted in William Shakespeare's Julius Caesar. Antony's speech is a pivotal moment in the play, demonstrating his cunning and rhetorical skill as he turns the tide of public opinion.