Chrissie drinks cola every day. she texts the codes printed on the bottle caps to a reward center. for every 40 codes she texts, she receives a free bottle of soda. chrissie's behavior is reinforced on a schedule.

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.

Which statements about the controlling idea of a text are true? check all that apply.

Which detail should most likely be cited in a historical criticism of a literary work ? the author's use of dialogue in the literary work the impact the literary work has on modern audiences the popular cultural trends of the time when the work was written the audience that the literary work is likely to reach in the future