Final answer:
Patrick Henry's use of the symbolism of chains and slavery reinforces the gravity of the situation and the importance of freedom in his speech.
Step-by-step explanation:
Patrick Henry's use of the symbolism of chains and slavery contributes to the tone of his speech by reinforcing the gravity of the situation and the importance of freedom. By drawing parallels between the colonists' potential enslavement under British rule and the actual enslavement of African Americans, Henry is emphasizing the urgency of the fight for liberty. This symbolism evokes strong emotions and serves to rally the colonists to take action.
Learn more about Symbolism in Patrick Henry's speech