Which states are consistently included in the region where the Cayuse War took place?
Northwestern United States The Northwestern United States is an informal geographic region of the United States. The region consistently includes the states of Oregon, Washington, and Idaho—and usually Montana and Wyoming. Some sources include southeast Alaska in the Northwest. The related but distinct term "Pacific Northwest" generally excludes areas from the Rockies eastward.
West Michigan West Michigan and Western Michigan are terms for an arbitrarily selected region in the U.S. state of Michigan in its Lower Peninsula. Generally, West Michigan refers to the Grand Rapids- Muskegon- Holland area, however there is no official definition for what constitutes "West Michigan."