Why is the showcasing of narration used in the speech "Rise up and walk!" at the third annual Nelson Mandela lecture?

The showcasing of narration in the speech "Rise up and walk!" at the third annual Nelson Mandela lecture is used to engage the audience and create a powerful and emotional connection with the message being conveyed. By using storytelling and personal anecdotes, the speaker can make the message more relatable and impactful, inspiring the audience to take action and make positive changes in their own lives. Additionally, narration can help to humanize the message and make it more memorable, leaving a lasting impression on the audience.

The use of narration is not mentioned in the context, so I cannot answer this question.