States, Nations, and the Great Powers: The Sources of Regional War and PeaceWhy are some regions prone to war while others remain at peace? What conditions cause regions to move from peace to war and vice versa? This book offers a novel theoretical explanation for the differences in levels of and transitions between war and peace. The author distinguishes between hot and cold outcomes, depending on intensity of the war or the peace, and then uses three key concepts (state, nation, and the international system) to argue that