Martin McDermott, author of Speak with Courage, writes, "A successful speech is not a matter of luck; it's a matter of preparation."

Government and business leaders typically use the ________ style of speaking in front of a large group

Fill in the blank(s) with the appropriate word(s).

Bryce gave a speech about life in a fraternity. He talked about the living arrangements, the meetings, the social activities, and the projects in which he had been involved. What type of supporting material is this?

A. personal experience B. common knowledge C. testimony D. documents