Answer:
In “I Have a Dream”, Martin Luther King Jr. extensively uses repetitions, metaphors, and allusions.
Step-by-step explanation:
Its primary purpose is to force readers to imagine or intuit what an author means with an expression or statement. Using this method he kept his readers/listeners engaged in what he was saying and was able to stress the importance of his message by painting a visual picture of how desegregation and liberty for everyone would take forth the country and what they would do if they didn't get it.