<h2>Increase listener comprehension and help to hold audience attention.</h2>
Explanation:
Audiovisuals are a key tool for oral presentations. One of the most important issues is the audience attention, you must to be able to maintain it for a sufficient period of time, other way you're gonna be talking to the wall.
Also, images can help to explain better, as the saying stands: <em>a picture is worth a thousand words.</em>
Both "The Royal House of Thebes" and "The Warrior of a Warrior King" have a tragic heroine in common. In the former story, Antigone sacrifices herself to give her brother a burial. In the latter, Queen Boudicca's land is attacked by the Romans. As a result, she decides to commit suicide to avoid being taken by her enemies.