Why does the author include a report from the Chicago Tribune? It is an opinion piece that shows how times have changed. It is an additional resource that provides historical facts. It is a supporting argument about safety from a different author. It is an argument against the author’s idea that football was dangerous.

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.