the nests are built by the male (sometimes females) and their size, position and shape depends on the species. normal tasks have both a difficulty level and a resistance. the events of the first few days of the final campaign would be enough to convince him that this was the proper course of action. before colonial times a system called  was practiced. in fact shuttle trains operated and passengers changed at the junction. it is still found in soil and water supplies and can turn up in food. boy, however, throws the book into a fire. 