Precedent Based Legal System of Us, UK
This page is the CodyCross answer for the clue below from Prehistory, Group 1247, Puzzle 2 (Rock Art of Alta).
Question is: Precedent Based Legal System of Us, UK
and the answer is: COMMONLAW
Word Meaning:
COMMON LAW — (law) Law developed by judges, courts, and agency adjudicatory tribunals, through their decisions and opinions (also called case law) (as opposed to statutes promulgated by legislatures, and regulations promulgated by the executive branch).
Definitions from Wiktionary.