Final answer:
The Whiskey Rebellion best represents a continuity of the sentiments expressed in the excerpt.
Step-by-step explanation:
The Whiskey Rebellion best represents a continuity of the sentiments expressed in the excerpt from Henry Knox's letter to President George Washington in 1789. The Whiskey Rebellion, which occurred in 1794, was a response to the federal liquor tax imposed by the Washington administration. The rebellion demonstrated a continuation of the opposition to the government's taxation policies, as expressed in the excerpt.