Justinian I was a Roman Emperor that reigned from 527 to 565 and was part of the Byzantine age which was a continuation of the Roman Empire from 395 to 1453. As an Emperor Justian, also known as Justinian the Great, look for the restoration of the Roman Empire to recover the Greatness of the Empire. This restoration included important judicial reforms, indeed, Justinian revised all the Roman law, then codified all the laws and created different judicial papers based on this work including codifications of old imperial constitutions, principles of the law, among others. Due to the previous, Justinian was the emperor that collected and codified all laws of the Byzantine age, which was such a complex task that none of the previous or subsequent emperor tried or considered.
The statement that "The more collateral there is backing a loan, the less the lender has to worry about adverse selection" is true because collateral reduces the adverse selection problem.
