Which of the following reflects the theme of duality?

A. the use of cannons and horses

B. the unquestioning obedience of the soldiers

C. the contrasting moods of bravado and ominous dread

D. the vivid descriptions created with figurative and sensory language

C. the contrasting moods of bravado and ominous dread

Showing that people are acting bravely while also giving a feeling of ominous dread shows the theme of duality. Knowing that people are putting themselves out there to fight while inside they are terrified of the situation shows the dual nature of people: how they feel versus how they act.