Over three thousand years ago, the eastern Mediterranean was dominated by a handful of great powers — Egypt, the Hittites, Assyria, Babylonia, Mycenaean Greece — whose military supremacy rested on a single material advantage: bronze. The alloy required tin, a metal so geographically scarce that sourcing it demanded trade networks spanning thousands of miles, from Afghanistan and Cornwall to the palaces of the Near East. This supply chain was the backbone of imperial power. Only states with the bureaucratic capacity to secure long-distance trade, stockpile materials, and absorb losses could sustain bronze-equipped armies at scale. The Battle of Kadesh in 1274 BC illustrates the peak of this system. Egypt and the Hittite Empire together fielded tens of thousands of soldiers and over five thousand chariots — a mobilization comparable to smaller First World War engagements and likely exceeding Agincourt, Hastings, or Yorktown. Ramesses II commissioned stone reliefs depicting the battle across Egyptian temples; sixteen years later, the two empires signed what is believed to be the oldest surviving peace treaty. The system appeared stable. It was not. Around 1200 BC, the archaeological record shows a cascade of destruction: Greek palaces burned, Troy's walls scorched, the Hittite record of clay tablets simply stopping. Egypt survived but shrank permanently, losing the Levant. Assyria contracted to its capital. The Kassite dynasty in Babylonia, after 440 years, collapsed. The standard narrative attributes this to droughts, famines, the mysterious Sea Peoples, and internal revolts. But these explanations describe triggers, not causes. Catastrophes topple governments routinely without erasing the capacity for complex political organization for centuries. The structural answer is iron. Because iron ore is geologically abundant and can be smelted locally, it shattered the bottleneck that had kept weapons-grade metal in elite hands. Ordinary Hittite and Egyptian farmers gained access to iron tools and weapons within a few centuries of Kadesh. The imperial monopoly on effective violence — the foundation on which Bronze Age states extracted taxes, conscripted labor, and suppressed peripheral resistance — dissolved. Peripheral communities could now arm themselves comparably to imperial forces without maintaining thousand-mile supply chains. The deeper pattern is worth naming: the Bronze Age was an extraction equilibrium sustained by the concentration of military technology. Copper had already enabled the first wave of political consolidation — fortified settlements, deepening hierarchies, economic specialization around smelting sites sixty miles from mines. Bronze intensified this by adding a scarce input (tin) that only large states could reliably source. Each step up the metallurgical ladder concentrated violence further, until iron reversed the direction entirely. The article draws an explicit parallel to the present. Modern military technology — nuclear weapons, carrier groups, satellite networks, cyber capabilities — represents an extreme concentration of the tools of violence, enabling superpowers far larger than any Bronze Age empire. But emerging technologies, from drones to autonomous weapons to cyber tools, may be following iron's trajectory: becoming cheaper, more distributed, and harder for centralized powers to monopolize. If the pattern holds, the political consequences would be structural, not episodic. What makes this analysis valuable is not the ancient history but the mechanism it isolates. Empires don't fall because bad things happen. They fall when the technology that sustained their monopoly on organized violence becomes available to everyone. The question for any era is not whether catastrophes will occur — they always do — but whether the incumbent power structure can survive the democratization of its core advantage.