Based on the map, which generalization best relates to the cultures of the Pacific Northwest region? a) Large communities in the Pacific Northwest relied primarily upon trade with the Plains Indians for their prosperity, as the region was inhospitable to agricultural activities.

b) Small, localized communities of the Pacific Northwest specialized in a single, dominant economic activity and traded with one another for access to a variety of goods.

c) Large communities in the Pacific Northwest utilized a division of labor to develop a number of economic activities and rarely traded with outsiders.

d) Small communities of the Pacific Northwest entered into a mutually beneficial confederacy for production and procurement of goods, trade, and governance.