Jomini and Clausewitz are arguably the most important of the early 19th century classical theorists of war and strategy. Both men studied the campaigns of Frederick the Great and Napoleon to inform their ideas and they were heavily influenced by the European Enlightenment. What is the main difference between these two theorists and their ideas? For each of these theorists, identify and describe two of their most important ideas and why. Which of these two theorists are the most relevant in todays challenging strategic environment and why?