How can we use primary sources like sagas to tell us about the past? Are there e

How can we use primary sources like sagas to tell us about the past? Are there elements in the saga that seem to reflect historical reality?
What can the more fanciful parts of the story tell us about the culture, values, and taboos of Viking society?
What does the saga suggest about gender relations in this culture?
Source: J. Sephton’s translation of The Saga of Erick the Red. Chapters 4, 6, 8, 10-13