It is Sam Border if you didn't know. To know what a main character is it is the character who is talked about throughout the whole book and/or is on the cover on the book. It is a strategy to know the main character(s) of the book. I hope this helps.
Answer: To illustrate Japan's isolation in the 1800s.
Explanation: The outside source in this excerpt (the first few lines) clearly describes how while the rest of the world was dealing with monarchies, wars and developing new technologies like trains and wheels, Japan decided to be totally closed off from all of that, and they concentrated just in painting screens for 200 years.
Bradbury has a straightforward writing style that seeks to evoke a sense of wonder through two seemingly opposed concerns: the careful construction of mundane details and a sharp eye for vividly capturing imaginative flights of fancy. Combined, they create Bradbury's signature style, finding wonder in everyday life by using fantastic / unrealistic elements to highlight the vagaries of human nature. Often, this means the stories are built on simply constructed sentences --declarative, often distanced from the subject it describes - with dramatically timed lapses into a more florid, poetic writing style when a character comes to grips with a new experience, such as the rocket flight of "The Rocket".
