Answer:
Visualize success.
Concentrate on the message.
Step-by-step explanation:
These are the strategies that are most likely to help someone overcome his fears. By visualizing success, you put a positive image in your mind, which encourages your mind to think of positive ideas. Moreover, by concentrating on the message, you allow yourself to think of something that you have control over. As you know the message well, this can help calm your anxiety and fears, and it can make you feel that you have control over the ultimate outcome of the speech.