"Because nobody could see them at night, because Atticus would be so deep in a book he wouldn't hear them Kingdom coming, because if Boo Radley killed them they'd miss school instead of vacation, and because it was easier to see inside a dark house in the dark than in the daytime [...]" This quote is an example of ...

How does this excerpt develop the central idea that espionage during the civil war was often carried out by untrained citizens? it enhances the reader’s understanding by explaining why training was unnecessary. it changes the reader’s perception of what information a spy was able to obtain. it explains an ordinary person’s motivation for conducting espionage against the enemy. it adds moral complexity to espionage, due to the use of secret and dangerous methods.