" Among events that could have led to an internal rebellion, we have just glimpsed the specter of outside invaders cutting the international trade routes and upsetting fragile economies that might have been overly dependent upon foreign raw materials. Carol Bell’s comparison of the strategic importance of tin in the Bronze Age to that of crude oil in today’s world might be particularly apt in this hypothetical situation.44 "

― Eric H. Cline , 1177 B.C.: The Year Civilization Collapsed