text: Hilary of Athanaric was enraged by Ulfilas's missionary work promoting this heresy among the Goths.
full_question: Hilary of Athanaric was enraged by Ulfilas's missionary work promoting this heresy among the Goths. Alsoadopted by the Vandals, this heresy persisted most strongly in and around Constantinople, where it wasendorsed by Constantius II and Valens before being stamped out by Theodosius. This heresy prompted churchleaders to settle on the doctrine of Homoousios to dispute that the Logos had been created, and prompted theformulation of the Nicene Creed. For 10 points, name this heresy named after a preacher from Alexandria thatchallenged the Trinity by claiming Christ was created rather than synonymous with God, not to be confusedwith a modern racial theory.
first_sentence: Hilary of Athanaric was enraged by Ulfilas's missionary work promoting this heresy among the Goths.
raw_answer: Arianism