Which two messages use the persuasive strategy of providing proof or documentation?

There are nine persuasive strategies that you can use to more effectively influence audience members' beliefs, attitudes, and values. They are ethos, logos, pathos, positive motivation, negative motivation, cognitive dissonance, appeal to safety needs, appeal to social needs, and appeal to self-esteem needs.

Answer: Providing Proof

Explanation: When u provide proof it makes whatever ur trying to present believable