Final answer:
Mead was popular in Denmark and other Scandinavian countries during the Middle Ages due to its easy production with local ingredients, association with religious ceremonies, and unique flavor profile.
Step-by-step explanation:
Mead was a popular drink in Denmark and other Scandinavian countries during the Middle Ages for a few reasons. First, it could be easily produced with local ingredients, making it accessible to the local population. Second, it was associated with religious ceremonies, which gave it a cultural and ceremonial significance. Third, while beer and wine were also available during the Middle Ages, mead provided a different and unique flavor profile.