The correct answer is C. Camping with a larger number of scouts
They are massive events where sometimes even scouts from all around the world meet for a massive camping trip and celebration
They are not synonyms of each other, but both are used as synonyms of the word "unbiased." Each word has a very broad meaning, and the meanings only intersect when describing an unbiased opinion or view.
Because it has something covering it and he has to watch his back