Lowtech Civilizations - Metallic Ages
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- with catapults, chariots, chariots and glassblowing, famous for gunpowder
- with silk, glass, parachutes and parachutes, famous for an alphabet
- with sanitation, aqueducts, glassblowing and sugar, famous for currency
- with chariots, stills, daggers and cement, famous for anchors
- with daggers, chariots, metronomes and cement, famous for paper