This question is incomplete. Here's the complete question.
Read Roll of Thunder, Hear My Cry, by Mildred D. Taylor
Explain how Cassie’s day in Strawberry with Big Ma moves the plot toward the climax.
Answer:
When Big Ma takes T. J., Stacey, and Cassie to Strawberry´s market, they are discriminated against by the clerk of a general store, and Lillian Jean's father.
Explanation:
These incidents move the plot toward the climax in the sense that it becomes more and more clear that the Logan family is constantly facing racism, and each one of them deal with it in different ways.
