Answer:
What are the options? but you do the complete opposite of his argument
It was either the representative or the leader
Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.
Answer:
George Washington was the first U.S President