I believe that the author used the term 'illusion' in the beginning to suggest that The United States could not remain separate.
The 'illusion of isolation' means that America tried to pretend to be an isolationist continent, meaning that it would have nothing to do with the politics of other countries, however, that turned out to be a lie, especially when it openly entered WWII.
Answer:
because peeps are scared of cars
Explanation:
if the trails were here there would be an actual place to travel by bike
The kidnapped boy(Johnny)