In "I Am American" by Jennifer Tibbets, the use of repetition plays a significant role in shaping the structure and thematic depth of the play. The correct answer that best illustrates this effect is:
c. Repeated lines ("I am American") and devices (pantomime) reinforce the similarities between stories.
This choice highlights how repetition serves to connect the various narratives and experiences presented in the play, emphasizing a shared identity and common struggles among different characters and historical contexts. It creates a sense of unity and resonance across the diverse stories, allowing the audience to draw parallels and recognize the overarching themes of American identity and belonging.