[PAR] [TLE] Palouse [SEP] The Palouse ( ) is a region of the northwestern United States, encompassing parts of southeastern Washington, north central Idaho and, by some definitions, parts of northeast Oregon.  It is a major agricultural area, primarily producing wheat and legumes. Situated about 160 mi north of the Oregon Trail, the region experienced rapid growth in the late 19th century and was once Washington's most populous region, surpassing even the Puget Sound area. [PAR] [TLE] Oregon Trail [SEP] The Oregon Trail is a 2170 mi historic east–west, large-wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon.  The eastern part of the Oregon Trail spanned part of the future state of Kansas, and nearly all of what are now the states of Nebraska and Wyoming.  The western half of the trail spanned most of the future states of Idaho and Oregon.
[PAR] [TLE] Palouse [ SEP ] The Palouse ( ) is a region of the northwestern United States , encompassing parts of southeastern Washington , north central Idaho and , by some definitions , parts of northeast Oregon . It is a major agricultural area , primarily producing wheat and legumes . Situated about 160 mi north of the Oregon Trail , the region experienced rapid growth in the late 19th century and was once Washington 's most populous region , surpassing even the Puget Sound area . [PAR] [TLE] Oregon Trail [ SEP ] The Oregon Trail is a 2170 mi historic east – west , large - wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon . The eastern part of the Oregon Trail spanned part of the future state of Kansas , and nearly all of what are now the states of Nebraska and Wyoming . The western half of the trail spanned most of the future states of Idaho and Oregon .
Which state was populated by the expanse of the Oregon Trail, which can also be found in the Palouse region of the United States?
Which state was populated by the expanse of the Oregon Trail , which can also be found in the Palouse region of the United States ?
Washington
Washington