The palace, much altered over the generations, was generally used as a residence only at times of dynastic importance or danger, when Holyrood, down in the lowland, was difficult to defend.
The palace was only a house when there was a threat because the other areas of the country were susceptible to Viking attacks.
mnli hypothesis: The palace was only a house when there was a threat because the other areas of the country were susceptible to Viking attacks. premise: The palace, much altered over the generations, was generally used as a residence only at times of dynastic importance or danger, when Holyrood, down in the lowland, was difficult to defend.