Boundary and tenure, published rule, contract, the register, and constraint on the ruler.
Establish who holds which ground, in a form that outlives the argument.
Needs first: Decide how you decide, Open ground and hold fertility (Food), Start the record (Knowledge)
Put the rules where everyone can read them, and separate judging from ruling.
Needs first: Writing and the durable record (Knowledge), Decide how you decide, Boundary and tenure
Make a promise between strangers as reliable as one between kin, by writing it down and having a court enforce it quickly and cheaply.
Needs first: Published rule and the court, The debt record (Economy), Arithmetic for everyone (Knowledge), Paper (Knowledge)
Keep one public, durable record of who owns which land, who was born and who died, and which companies exist and who controls them.
Needs first: Boundary and tenure, The enforceable promise, Printing (Knowledge), Count before you administer
Put the rules that bind the rule-makers into a supreme, published law that they cannot change alone and that courts enforce against them.
Needs first: Published rule and the court, The register: land, birth, company, Standing departments and a civil service, Printing (Knowledge)
Every guide, build, reference sheet and book reached from the steps above.
Four-figure logarithms and trigonometry, square roots by Newton's method, and the two instruments that did the world's arithmetic before electronics.
Level 0Every public institution an advanced civilisation runs, in the order a rebuilding one can found them: what each is for, when it becomes possible, and the rules that keep it honest, useful and no bigger than its job.