which roman emperor issued a decree allowing christians to practice their religion freely? how had christians been treated by romans before that time

"Constantine" roman emperor issued a decree allowing Christians to practice their religion freely

Explanation:

Constantine is possibly finest known for being the first Christian Roman emperor. His rule altered the Church greatly. In February 313, Constantine met with Licinius in Milan where they made the Edict of Milan. The proclamation said that Christians might have faith in what they wanted. Constantine delivered a decree letting Christians to exercise their belief freely. Christians have been mistreated by Romans before that time. Constantine is: Constant, steadfast, from the Latin 'constans' Famous bearers: several Roman and Byzantine emperors including Constantine the Great, the Christian emperor who made Christianity the official religion of the Roman Empire.