Internal conflicts in Catherine Called Birdy?

In "Catherine Called Birdy" by Karen Cushman, the protagonist Catherine faces internal conflicts primarily centered around her desire for independence and her societal obligations as a young woman in the medieval period. She struggles with the pressure to conform to her family's expectations, particularly regarding marriage, while yearning for freedom and the ability to shape her own destiny. This tension between her aspirations and the constraints of her environment drives much of the narrative, highlighting her growth and resilience as she navigates her identity amidst external pressures. Ultimately, Catherine's internal battles reflect broader themes of autonomy and self-discovery.