Answer:
When Dr. King uses imagery such as "until justice rolls down like waters, and righteousness like a mighty stream" and "Let us not wallow in the valley of despair," it helps to communicate the natural condition of Civil Rights, something that links it to a larger configuration.
Explanation:
hope this helps
Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage. Main ideas are also found in the concluding sentences of a paragraph.
Imagery creates mental pictures, so your answer would be B.
