Answer:
During the beginning of the book, the fire was two things: it was a way to signal for a rescue, and it was a tool to cook food and keep them warm. In both cases, it was a marker of civilization. However, by Chapter 12, things have reversed. Fire is now a sign of savagery, as the boys are trying to burn Ralph out.
I think it's D. The confederates were the South if I remember right.
Almost 90% of Earth's history occurred during the Precambrian time period
I believe that the most fitting answer for this question would be that the Crusades were called to fight against the Muslims. In 1095, the Pope claimed that Muslims were destroying the Holy Land and called on European Christians to put an end to it. They sought to regain control over Jerusalem.