Answer:
The concept of national parks was one of the most popular ideas in The U.S. ever produced. It stemmed from the desire to protect species places for visitors' present and figure enjoyment. Since Yellowstone was designed in 1872, the concept of what constitutes a national park has expanded significantly.
Answer:
Ralph says, in chapter 9, that the boys are going to Jack's tribe so they can have fun and act like children. He says the boys are leaving him so they can hunt, pretend to be a tribe, and put on war paint. Jack offers the boys excitement and lures them with food from his hunts.