Final answer:
Repetition is a key rhetorical device that enhances emphasis and memorability in speeches and persuasive writing.
Explanation:
Repetition is a powerful rhetorical device used to emphasize key points and make them more memorable. It involves the repeating of words or phrases for emphasis, such as in speeches like Martin Luther King Jr.'s 'I Have a Dream.' Repetition is a common technique in persuasive writing, where examples are used to support arguments and guide readers towards accepting the writer's viewpoint.
Learn more about Rhetorical Devices here:
https://brainly.com/question/42112560
