Which os an example of nonverbal communication in barack obamas 2009 back to school speech?

In Barack Obama's 2009 Back to School speech, a notable example of nonverbal communication was his use of gestures and facial expressions to engage the audience. He frequently made eye contact with students, which conveyed sincerity and connection. Additionally, his open posture and use of hand movements emphasized key points, reinforcing his message about the importance of education and personal responsibility. These nonverbal cues helped to create a more impactful and relatable speech.