The seven threads
Every achievement belongs to one thread. The threads run side by side through all the phases and feed each other.
482MakingTools, materials, power and machines58FoodHunting, fishing, farming, food and drink60HealthRemedies, painkillers, anaesthetics, surgery, instruments and the first antibiotic54HomeShelter, housing, water, light, heat and sanitation29ClothFibre, leather, spinning, weaving, clothing and the first man-made fibre60KnowledgeThe Record, measures, maps, the calendar, the school, signals and printing22SocietySettlements, the common ground, the council and its rules, the store, trade and money