Which sentence from the text best supports the idea that Emerson valued human rights? A. Emerson was a vocal supporter of the poet Walt Whitman and wrote a letter endorsing Whitman’s Leaves of Grass. B. Throughout his life, he was a vocal abolitionist and an advocate for educational reform, social justice, and the rights of the much-maligned American Indians. C. As a writer, Emerson became known as a founding father of an intellectual and cultural movement known as Transcendentalism. D. Emerson himself rarely followed the path intended for him, choosing instead to go his own way in intellectual and practical matters.