The poet known as a key voice in American feminist literature is Audre Lorde. Her powerful works tackle issues of race, gender, and sexuality, emphasizing the importance of intersectionality in feminism. Lorde used her poetry, essays, and speeches to advocate for social justice and challenge the systemic inequalities faced by marginalized communities. Through her unique voice, she inspired many to confront oppression and seek empowerment, cementing her place in feminist literary history.