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.