The idea of a Grand Roman Strategy was put forward by Dr. Edward Luttwak in his 1976  book, The Grand Strategy of the Roman Empire from the First Century AD to the Third.  This work by Luttwak sought to answer questions on the basic strategy of the Romans, and if there was a long term strategy at all.  The book focuses on the Roman Army and the defense of the Roman frontier.  The Roman Empire was one of the world’s largest empires of all...