the correct option is A&B
<span>Denmark
was preparing to join forces with Norway against common enemies. Denmark was on military alert to ward off a Norwegian attack. This is what characterized the two nations from where the Vikings came from.
</span>
Answer:
I think its paper
Explanation:
The Europeans made a paper factory before anything else, I'm not 100% sure, and sorry if you get it wrong.
Answer:
representative democracy
Explanation:
a representative democracy is when the people choose an official to represent them