Core Q&A Expanded Answer
Yes. In Warriors of Destiny, Breanna's blood-bound pact with Odin establishes peace between their pantheons and their respective followers. After Loki is bound into the oath, Breanna declares that Asgard is no longer their enemy and Tir na nÓg is no longer Asgard's foe. Odin accepts the new relationship, opening the way for his Norvegrs to join the northern resistance against Rome.