The answer you are looking for is B.Oil
Answer: Dependent personality disorder
Explanation:
Dependent personality disorder is a disorder in which an individual seeks excessive dependence on other people making them insecure and weak. Here such individual have constant need to be taken care of therefore depend on others for almost all their physical and emotional need. Because of their needy clinging behavior, most of these individuals have phobia for separation and tend to show animosity towards who he or she feels is responsible for causing the divided attention.
Farah's husband most likely has a Dependent personality disorder,
1. missionaries
2. it was the largest trading company in the west and the mountain men traded their pelts to the company for supplies