Answer:
Debates over over ohio river
Explanation:
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.
Both hated opposition and eliminated all forms of dissenting views.
1st. never accept anything as true until proven true
2nd. divide each difficulty encountered into smaller pieces to help solve
3rd. think in orderly fashion
4th. always make enumerations complete and reviews general