John Henry Berry died after being set on fire by drunken white men. The incident began when Berry, accused of flirting with a white woman, fled with his companions. They were later caught, and Berry, along with his uncle and cousin, was dragged from their home and set on fire. Despite knowing the perpetrators, the black community faced systemic racism and injustice in the 1930s South, making legal recourse impossible.

Cassie gets angry at Mr. Barnett because he prioritizes serving white customers over her, despite her being in the store first. This occurs in a store in Strawberry where Cassie is shocked by the discrimination she faces. She protests by tugging at Mr. Barnett's shirt, but is dismissed and dragged out by her brother, Stacey. This incident is a harsh lesson in racism, highlighting the systemic inequality that Cassie struggles to comprehend and accept.

The Logans encourage a boycott of the Wallace Store due to its unsavory reputation and discriminatory practices against black customers. Instead, they promote shopping in Vicksburg, where they are treated better. This decision risks their safety and land, as Mr. Granger and Mr. Montier threaten eviction. Despite these risks, the Logans and other black families find ways to shop in Vicksburg, with Mr. Jamison backing their credit, leading to significant personal and financial sacrifices.

Harlan Granger wants the Logan's land because it originally belonged to his family before they sold it during Reconstruction. He believes it rightfully belongs to his family and dislikes that African Americans own it. Big Ma refuses to sell because the land represents independence and security for the Logans, ensuring they never have to live on someone else's property.

In Roll of Thunder, Hear My Cry, Mr. Berry and his two nephews were severely burned by a group of white men in a racially motivated attack. This incident reflects the pervasive racial violence in the post-Civil War South, though the novel does not explicitly mention the Ku Klux Klan. Such attacks were common, involving night raids on African-American families, and are indicative of the broader theme of racism in the story.

The bus driver in "Roll of Thunder, Hear My Cry" treats the Logan and Avery children, who are Black, with disdain by deliberately splashing them with mud and making them objects of ridicule for the white children on the bus. This behavior highlights the racial discrimination and harassment they face, prompting the Logans to retaliate by digging a ditch that ultimately strands the bus. This act of defiance underscores their resistance to injustice.

The night men in Roll of Thunder, Hear My Cry tar and feather Mr. Tatum as punishment for accusing Mr. Barnett, the Mercantile owner, of overcharging him and lying. This brutal act of racial intimidation reflects the night men's role in enforcing racial hierarchy and punishing black individuals who challenge white authority. The children, initially fearing they were the target, learn about the incident through T. J., highlighting the pervasive threat of racial violence in their community.

The night riders in "Roll of Thunder, Hear My Cry" are a group of white men who terrorize African American families in the South. Their purpose is to maintain racial oppression and instill fear in the Black community, preventing them from challenging the status quo or seeking equal rights.

Examples of discrimination and prejudice in Roll of Thunder, Hear My Cry include the segregation of schools, the racist attitudes of white characters towards African Americans, and the systemic inequality in society. The Logan family faces threats and violence from white neighbors, and the black community endures economic and social injustices, highlighting the pervasive racism of the period.