Maya Angelou had a significant impact on literature and civil rights through her powerful autobiographical works and poetry. Her most famous book, "I Know Why the Caged Bird Sings," addresses themes of racism, identity, and resilience, making her a prominent voice in both literary and activist circles. Angelou’s articulation of the black experience and her commitment to social justice inspired generations of readers and activists. She used her writing and public speaking to advocate for civil rights and women's liberation.