How do beliefs shared by speaker and audience advance Henry's purpose and affect his tone in this speech?

Beliefs shared by the speaker and audience can create a sense of unity and solidarity, allowing Henry to rally support for his cause. This shared belief can also help to establish credibility and trust between the speaker and audience, emphasizing the importance of the message being conveyed. Additionally, aligning his beliefs with those of the audience can enable Henry to adopt a more persuasive and impassioned tone, as he is speaking to a receptive and like-minded group.