Question

fill in the blank question a major function of the conclusion of a speech of persuasion is to reinforce the audiences commitment to the central

Explanation:

In persuasive speeches, the conclusion serves to solidify the audience's support for the core idea the speaker is advocating for, which is referred to as the central proposition or claim. This core element is what the entire speech builds toward, and the conclusion reinforces the audience's commitment to it.

Answer:

proposition (or claim/idea)