You are researching for an argumentative essay about rising gas prices. which of the following would be ineffective support?
a graph about price increases from a news magazine published last month
an interview with a neighbor who has strong opinions on rising gas prices
an online article about gas prices with links to other sites to verify information
a video of a recent news report about people being forced to give up driving

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.