Despite the fall of Rome the Byzantine empire continued to stay strong because Justinian established a code of laws called Justinian's Code.
Under feudalism, lords were responsible for ruling different regions of a country.
I don't think the 10 Amendments were passed by one person specifically, it was more by Congress in general.
Answer:
The first people to do so were the Akkadian's king Sargon (reigned 2334–2284 BCE). He conquered the cities of Sumer and brought them under one system of government.
Explanation:
The US national governing document before the Constitution.