The supreme court is the federal court, which checks if laws are constitutional, and has the power to judge if some body is breaking the law
To believe and make people know we can do this
They order and structure the behavior of individuals by means of their normative character. They also structure incentives in human exchange, whether political, social or economic”. Institutions comprise for example contracts and contract enforcement, protection of property rights, the rule of law, government bureaucracies, financial markets.
The Persians built a system of well maintained roads which facilitated the rapid transit of military and government personnel. One particular road was called the Royal road that stretched from Sardis to Susa . The Persians established way stations at intervals equipped with fresh horses for the King's messenger.
The Assyrian system of communication was so efficient and effective that a provincial governor anywhere in the empire except Egypt could ask a question and receive an answer within a week.