This passage is an example of which type of writing?

How does the author's purpose affect his or her text structure

The most likely reason king uses allusions in this part of his speech is to

Unity in a paragraph means: my writing persuades my readers to agree with the argument i am presenting. the paragraph discusses and supports one thought throughout the entire paragraph. all sentences in a paragraph are the same length and structure. the first sentence and the last sentence echo the exact same thought.