Question

The strength and fierce attributes of warrior women in mythology and folklore had an effect on the societies of the ancient greeks, norse, and celts. in fact, viking women (the historical counterparts of the norse mythological figures) were even allowed to divorce their husbands under certain circumstances. what were these circumstances?

Answer 1

The correct answer is the following.

A Viking woman was allowed to divorce if her husband if he mistreated the wife, if he mistreated his children, if he was not a good provider, and if he insulted her family.

The circumstances under Viking women were allowed to divorce were: A Viking woman was allowed to divorce if her husband if he mistreated the wife, if he mistreated his children, if he was not a good provider, and if he insulted her family.

Viking women were an important member of the family of the Vikings in Norse society. They were the one in charge of the family, the house, the chores, and farming while the husbands were on war. They were strong women that stand by their ferocious Warriors and were a key element in Norse tribes.  

Answer 2

Circumstances such as sudden poverty, physical abuse (struck at least 3 times by their husband), overall neglect (husband is lazy), dishonor brought upon the woman's family, or if their husband settled in a new country and neglected to go to bed with them for 3 years. (source: https://en.natmus.dk/historical-knowledge/denmark/prehistoric-period-until-1050-ad/the-viking-age/th...) 

(other source: http://www.viking.no/e/life/ewomen.htm)

These were some of the answers based on information online, but your teacher may be expecting other ones. In general, neglect or maltreatment/abuse would be grounds for a divorce.