The ability to retry cases of lower courts is Appellate Jurisdiction. But for a same level court to re-open and examine a case is Secondary Jurisdiction.
Become a citizen is the answer
The three eventual consequences are the following:
First – it is the end of feudalism, which was both the social and economic system of the Middle Ages.
Second – it is the beginning of centralized government in England, and
Third - it also started the development of a democracy there.
None.. The US is not a business...