Hiya! I don't know if you use Quizletm but it has helped me a lot! Here is a link to it about this question! :)
https://quizlet.com/17715268/chapter-27-flash-cards/
In areas like political or social debates, a disputant is the person who takes part in a dispute. In words put simply, a disputant is a debater. He/she states her arguments on significant world problems or issues based on his/her experience, research and moral principles. When there is a conflict resolution, it means that there is an agreement reached by the two disputants or debaters.
The climate of the United States varies due to differences in latitude, and a range of geographic features, including mountains and deserts
So if you think about the connotations of the words, veils conceal things, sifting implies a kind of search, so I'd say the answer is C. a ghostly, mysterious mood.
