Carthage suggest, enormous numbers of people were being enslaved in many of these conflicts, and, of course, many slaves ended up working in the mines, producing even more gold, silver, and copper. (The mines in Laurium reportedly employed ten to twenty thousand of them.)19 Geoffrey Ingham calls the resulting system a “military-coinage complex”—though I think it would be even better to call it a “military-coinage-slavery complex.”20

