The document discusses the literary movements and key figures of the 19th century, highlighting romanticism's emphasis on emotion and individualism through poets like William Wordsworth and Samuel Taylor Coleridge. It examines the contributions of Percy Bysshe Shelley, Ralph Waldo Emerson, and Matthew Arnold, focusing on their philosophies of poetry and its social impact. The text emphasizes how these literary developments influenced modern literature and reflect the social and economic conditions of their time.