What is the external conflict in the Tangerine?

In "Tangerine" by Edward Bloor, the primary external conflict revolves around Paul Fisher's struggles with acceptance and identity within his family and the community. He faces bullying at school due to his visual impairment and grApples with the overshadowing presence of his brother, Erik, who is both talented and aggressive. Additionally, the tension between Paul and Erik's toxic behavior highlights the challenges of navigating family dynamics. This conflict culminates in Paul's fight for his own voice and place in a world that often undermines him.