Answer: Reasons to visit California on summer vacation.
Step-by-step explanation: A persuasive speech is a specific type of speech in which the speaker has a goal of convincing the audience to accept his or her point of view. From the given options, the one that could be a topic for a persuasive speech is "Reasons to visit California on summer vacation" because it will most likely include the opinion of the author on why the audience should go to California instead of going somewhere else.