Answer:
By the beginning of the fourth century official persecution of Christianity had ended in the Roman Empire, and support for the religion grew even among elites. It was under the reign of Constantine I (306-337) where Christianity became an official religion of the empire.
Explanation:
It would best describe them as politically unstable
Not very well, there was a huge economic crisis and they were unable to stop the depression.
It would be that they provide ritual obligations that need to be followed.