Andrew, a collegiate baseball player, decides to do a persuasive speech on why playing sports builds character for kids. this example illustrates the importance of selecting a topi

This example illustrates the importance of selecting a topic that is familiar and interesting to you.
Given that Andrew is a baseball player and he decided to do a persuasive speech on sports means that he is already familiar with the topic because he is a sportist himself. He probably also finds this topic interesting which means he will make his speech fun and entertaining to others as well.

Health and fitness is the most important issue in my community. It affects all citizens.