Which of the following merchandise caused the most concern for tribal leaders?

a. alcohol

b. horses

c. fur

d. food

The answer is letter c. Fur. White decried the tendency of many historians to see these women as simply "passive" objects that were bartered for by fur traders and Indian tribal elders, writing that these women had "exert influence and be active communicators of information" to effective as the wife of a fur trader, and that many of the women who married fur traders "embraced" these marriages to achieve.