In what way is it significant that by novel's end Ántonia has reverted to speaking Bohemian with her husband and children?

By the novel's end, Ántonia's reversion to speaking Bohemian with her husband and children signifies a deep connection to her roots and cultural identity. This choice reflects her embrace of her heritage amidst the changes and challenges she faces as an immigrant in America. It underscores the theme of belonging and the importance of family ties, suggesting that despite the pressures of assimilation, she remains anchored in her origins. Ultimately, it highlights the enduring strength of cultural identity in shaping one's life and relationships.