Answer:A speaker's greatest asset in delivering a successful speech is authenticity.Here's why:Connects with the audience: Authenticity creates a genuine connection with the audience. People can sense when someone is being genuine and passionate about what they're saying, and it makes the speech more engaging and memorable.Builds trust: When a speaker is authentic, they build trust with the audience. They come across as credible and believable, making their message more impactful.Enhances delivery: Authenticity allows the speaker to relax and be themselves, resulting in a more natural and engaging delivery. They're less likely to sound robotic or rehearsed.Creates a lasting impression: Authenticity leaves a lasting impression on the audience. They're more likely to remember a speaker who was genuine and passionate about their topic.While other skills are important (like strong writing, clear articulation, and good pacing), authenticity is the foundation upon which a successful speech is built. It allows a speaker to connect with their audience on a deeper level and make their message truly resonate.Message, enter @ or / to select a skill