During WWII, some children we're sent away from Europe as are the children in the book Lord of the Flies. Hence tracks untraceable, as in safe; also it was mentioned previously that aluminum is a weak metal and cinnamon has no nutritional value, and thats precisely why those things are mentioned. The message is overly hopeful, either because many of the "Dirigibles" that were sent away with the select children were destroyed or they would be returning to a land demolished, showing that these dreams were exactly that; just dreams. Also, as for the matter of Here of Hear, its likely that colin knew that it would be difficult to discern which one he meant, and thus probably meant both.
During WWII, some children we're sent away from Europe as are the children in the book Lord of the Flies. Hence tracks untraceable, as in safe; also it was mentioned previously that aluminum is a weak metal and cinnamon has no nutritional value, and thats precisely why those things are mentioned. The message is overly hopeful, either because many of the "Dirigibles" that were sent away with the select children were destroyed or they would be returning to a land demolished, showing that these dreams were exactly that; just dreams. Also, as for the matter of Here of Hear, its likely that colin knew that it would be difficult to discern which one he meant, and thus probably meant both.