C. To support the main idea.
Answer:
Situational Irony, this story wouldn't have been funny if Sam wasn't in the position he was in.
Explanation:
I believe that the answer to the question provided above is that <span> Lincoln's use of the phrases "malice toward none," "charity for all," and "firmness in the right" affect Paragraph 4 by using these words to give inspirations.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
I think the appositive phrase would be B. plays on