Answer:
The supporting material is called an extended example.
Explanation:
An extended example may be a narrative or way of supporting your argument in your speech. For instance, when you are telling a story and you need to strengthen or to reduce the complexity of some certain concepts. You can use a personal story or a narrative to strengthen and clarify your ideas, while in the same vein you are also making a personal connection with your audience.
Answer:
If I'm correct it is option 1.
Explanation:
I think Vincent Van Gogh is one of the most remembered artists today because of his expressive use of vivid colour and emphatic brush work. Van Gogh inspires many young artists to this day because of his unique style and bright palette.