It has been a while since I have studied it, but I believe that the Clergy was represented by the First Estate.
Cuneiform was the written system of the c)Sumerians. Cuneiform is one of the earliest systems of writing and is generally "written" in a wedge-shaped style. It took many years for people to translate these texts and it is known that these were lists people kept to keep track of their domesticated animals in their agricultural territory.
Generally speaking, the "rule of law" refers to the constitution or implied constitution of a state or country that determines how all laws are made and enacted--something that no law of government action can go against.