based on the map which generalization best relates to the cultures of the pacific northwest region? a. large communities in the Pacific Northwest rely primarily upon trade with the plains Indians for the prosperity of the region was inhospitable to agricultural activities b. small localized communities of the pacific northwest specialize in a single dominant economic activity and treated with one another for access to a variety of goods c. large communities in the Pacific Northwest utilize the division of labor to develop a number of economic activities and rarely trade with outsiders d. Small communities of the Pacific Northwest entered into a mutually beneficial confederacy war production and procurement of goods trade and governance