Form and content of law that was developed by the Romans during their 1,000 year empire starting in 500 BC; form in that it was written, and with content that sought to publish a comprehensive code of private law thus addressed a predictable structure for its people and the economy. The law they developed was logical and for the most part, commensurate with most people's common sense. In a nutshell, although it often provided rough justice, it was a hit with the people who knew what to expect in their private lives and in regards to commercial dealings.