18. a stock character is one that's a. familiar and commonly used in many stories. b. always involved in some type of internal conflict. c. constantly changing and adapting to situations. d. typically one-dimensional with a dominant quality.

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.