To begin with Constantine turned into a Christian and quit oppressing them. Second Constantine chose to move to Byzantine which he at that point changed to Constantinople.
The primary Roman head to guarantee change to Christianity, Constantine assumed a compelling part in the decree of the Edict of Milan in 313, which announced religious resistance for Christianity in the Roman realm.
The main way in which the Marshall Plan impacted the European economy in the post-World War II era was by providing billions of dollars of aid to make sure that Europe didn't fall into the kinds of conditions that lead to tyrannical leaders.
What’s the context for this question