Kennedy was using his audience as a form of support for his claim.
Explanation:
In his speech, Kennedy provided details as to what college, city, and state he was talking about. He did it because he wanted his listeners to see him as a transparent leader with no secrets. That way people would sympathize with their personality, feel involved in the president's life and be more likely to support their cause. That was the key point that Kennedy devised when revealing these details in his speech, he wanted to win people's sympathy because he was using his audience as a way to support his claim.
