The Italian philosopher Niccolo Machiavelli wrote "Discourses on the First Decade of Titus Livius" in the early 1600s. It is a book about politics. The book is a commentary on the first ten books of the "History of Rome" by the Roman historian Titus Livy. Machiavelli wrote this book to give practical advice on how to set up and run a republic. He did this by looking at the Roman Republic, which Livy described. He says that a republic can only work...