What are the laws of the Roman Republic and the Roman Empire?

Roman Republic period: In 452-45 BC1year, Rome compiled ten tables of laws and regulations, carved them on ten bronze plates and published them in the Roman Square. However, he was mainly compiled by nobles, serving the interests of nobles and causing dissatisfaction among civilians. In 450 BC, two more watches were added, which is the famous Twelve Copper Watch Law. The Law of Twelve Bronze Tables is the first written law in Rome.

Roman Empire: The Complete Book of Roman Civil Law, also known as Justinian Code or Collection of Citizens, was compiled by Justinian I, Emperor of the Eastern Roman Empire. It is a master of Roman law and laid the foundation for later jurisprudence, especially the civil code of civil law.