The king uses allusion to describe a historical precedent. He referred to the Boston Tea Party for the purpose.
An allusion is a figure of speech in which an event or object that is unrelated to the context is referred to. It is on the audience's part to make direct connections and understand the intention of the speaker or the author.
Martin Luther King Jr. referred to the Boston Tea Party where several tea boxes are thrown into the sea. He further mentioned that such civil obedience is his inspiration.
He used allusion to describe the historical example that is something to learn from.
Therefore the correct option is B.
Learn more about allusion here:
https://brainly.com/question/13750910
