I think the answer is instructor.
<span>The beach, which closes after Labor Day, has white sand.</span>
The correct answer is the first statement.
The correct answer to this open question is the following.
You forgot to attach the text or the paragraphs. However, we can comment on the following.
The inference you can make about how McCain feels about Mike Christian is that for him, Mike Christian was a good man that showed appreciation for the opportunities the United States military had provided to him.
Mike Christian was the roommate of McCain in prison. McCain said that Christian was from a small town close to Selma, Alabama. He had joined the United States Navy when he was seventeen years old. When in duty, he was captured in 1967.
Before continuing to talk about the kind of uniforms used in prison, McCain states that Christian was an example of the opportunities to progress that are offered by the government of the United States.
Clauses highly improve sentence structures. They can make the sentence sound a lot better to the tongue, and it even make the sentence easier to understand. I hope this helps! :)