Decisions were not printed in any systematic means, so any case law that developed was disguised and virtually unrecognised. Each case was to be decided afresh from the laws of the State, which mirrors the unimportance of judges’ choices for future circumstances in civil law methods at present. From 529 to 534 AD the Byzantine Emperor Justinian I codified and consolidated Roman law up till that time, in order that what remained was one-twentieth of the mass of legal texts from before.
In presidential systems, the executive often has the power to veto laws. Most executives in both techniques are…