Question

All convincing speakers must perfect the art of _______________. A. Discourse b. Locution c. Expression d. Persuasion.

Answer 1

All convincing speakers must perfect the art of persuasion.
Someone who has perfected the art of persuasion would be highly skilled at convincing people of different things.

Answer 2

Answer:

D. Persuasion

Explanation:

In order to convince someone you need to be able to persuade them one way or another.