How does the allusion to the Lewis and Clark expedition in Paragraph 3 affect this passage?
from the passage “Cross-Country”

It suggests that the family is aided on their trip by friendly and knowledgeable guides.

It gives the impression that the family members are very brave to make such a trip.

It helps convey the idea that the family explores remote areas on their journey.

It demonstrates that the family begins their trip without a destination in mind.

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.