What are some historical examples from witness by Karen hesse?

In "Witness" by Karen Hesse, the narrative is set during the early 1920s in a small Vermont town, where the Ku Klux Klan's influence begins to infiltrate the community. Historical examples include the rise of the Klan during this period, showcasing its impact on racial tensions and social dynamics. The characters, including a Jewish immigrant and a young Black girl, provide personal perspectives on the discrimination and prejudice prevalent at the time, reflecting the broader societal issues of racism and intolerance in American history. The novel illustrates how individuals respond to hate and the importance of standing up for justice.