Common law evolved over time as a judge made law (according to doctrine of precedent.) In common law the king was the head of the government. Common law was the law administered by the royal courts and as such a more standardised set of rules based on customary law was gradually enforced throughout the whole of England and countries derived from England. E.g. Australia, Canada New Zealand and the United States
Common laws rules were too broad to deal with governing a society as complex as England.
Originally people had to go to the king in order to ask for justice. …