Norwegian Weddings-How are marriages determined? Are they arranged or based on love and what is the process?

Norwegian Weddings.
Marriage Across Cultures with the focus on Norwegian(marriage) culture.

How are marriages determined? Are they arranged or based on love and what is the process?

What are the influential factors?

Who is regulating marriages and how are they terminated? How are they celebrated? What kind of food/traditions occur?

What function does the marriage serve?