Answer the following question: The Better Angels of Our Nature: Why Violence Has Declined is a 2011 book by Steven Pinker arguing that violence in the world has declined both in the long run and in the short and suggests explanations to why this has occurred.The phrase the better angels of our nature stems from the last words of US president Lincoln's first inaugural address. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Written Work