Question

martin luther king jr. uses repetition of the phrase \i have a dream\ to
encourage his audience to believe equality is possible.
inform his listeners about the importance of dreams.
explain several steps that must be taken to gain equality.
argue that every dream is unique but important.

Explanation:

In Martin Luther King Jr.'s "I Have a Dream" speech, the repetition of "I have a dream" is a rhetorical device to inspire the audience to believe that racial equality is achievable. The other options misinterpret the purpose: it's not about the importance of dreams in general, explaining steps, or arguing dreams' uniqueness.

Answer:

A. encourage his audience to believe equality is possible