The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The level of tolerance shown to those who don’t practice the official religion, according to the Justinian Laws, was optimal. This means that Justinian laws showed a respectable level of tolerance to people who did practice the teachings of different religions other than Christianity.
The Justinian Code including a series of regulations to enforce Christianity as the official religion in the Eastern Roman Empire or Byzantine Empire, particularly in Constantinople, the capital of the Empire. However, it was Heraclius, the first Byzantine emperor to force Jewish people to convert to Christianity.