Animals for traction, fibre, milk and meat, and the diseases that cross from them to people.
Convert grass you cannot eat into food, fibre, fertiliser and power.
Needs first: Plant staples, Permanent shelter (Shelter)
Every guide, build, reference sheet and book reached from the steps above.
Animals turn grass nobody can eat into milk, meat, wool, leather, manure and traction. They also turn raw milk, a birthing ewe and a dog fed on offal into diseases that kill people.
Level 1Cloth is a chain of slow jobs — growing, retting, spinning, weaving, finishing — and for all of history the slowest link was spinning. A weaver needed several spinners working full time to keep one loom supplied.
Level 3Life from the cell up: the human body, microbes and immunity, inheritance and epidemics. Each result with what it lets you do and who first found it.
Drawn overview sheets, each with its corrections printed under it. They orient; they are never the thing you identify from.
