Answer: He built it to celebrate leading the Danes to victory.
Explanation:
A beginner who will need detailed steps and directions
Not an oxymoron, because that is when you juxtapose 2 opposites. "Stupid genius"
Not onomatopoeia, because that is using the sound something makes to describe it. "buzz of a bee"
Not analogy, because that us a comparison between two things to explain. "an orange is like a mango, just different"
A refrain is the repetition of certain lines, like a chorus.