Answer:
they hunted bison and other wild animals like big game and trade.
Explanation:
The northwest culture area, for example shared common traits such as salmon fishing, woodworking, large villages or towns and a hierarchical social structure.
Though cultural features, language, clothing, and customs vary enormously from one tribe to another, there are certain elements which are encountered frequently and shared by many tribes.
Foreshadowing maybe i don't know
