What made Arian Christianity the dominant religion among so many barbarian tribes of late antiquity like the Goths and Vandals? Why did it remain so attractive even many years after the Council of Nicaea declared it heretical?

by JagadekaMedhavi
Libertat

You might be interested on some elements of answers in these previous posts, on how it wasn't Arianism *per se*, and came to become a Barbarian creed.