Native American Societies of the Northwest Coast Such as the Bella

Native American societies of the Northwest Coast such as the Bella Coola, Haida, and Tlingit are usually categorized as chiefdoms. However, they are atypical of chiefdom societies because:

A) They cultivated taro, yams, and sweet potatoes.
B) They were governed by tribal councils.
C) They were hunters and gatherers and did not practice agriculture.
D) They had no urban centers.