Angela Davis is noted for her examination of the prison industrial complex in her works, particularly in "Are Prisons Obsolete?" She critiques the incarceration system and its impact on marginalized communities, focusing on issues such as racial injustice and economic inequality. Davis argues for alternative approaches to justice that emphasize rehabilitation over punishment. Her activism extends beyond the prison system, addressing broader societal issues within the context of civil rights and feminism. Through her scholarship and advocacy, Davis has brought critical attention to the intersections of race, class, and the penal system.