Answer:
The supporting material Ryan used in his introduction is called:
Hypothetical example.
Step-by-step explanation:
The hypothetical example is an example that develops a fiction scenario in which the speaker set the listeners in specific conditions to explain a topic to them. This is a very common tool used to think about the possible problems people would find in that situation, to observe their problem-solving processes and abilities, as well as their leadership and social abilities. It is a tool used in role-playing games, and psychodramas to develop certain learnings and abilities after reviewing a topic.