Question: The University of Montana Western (UMW) is a public university located in Dillon, a city in and the county seat of Beaverhead County, Montana, in which country?

Context paragraphs:
Beaverhead County High School: Beaverhead County High School is a high school in the small town of Dillon, Beaverhead County, Montana.

Armstead, Montana: Armstead is a former community in Beaverhead County, Montana, United States, about 21 mi south of the county seat of Dillon.  It was named after miner Harry Armstead.  Armstead was located in a narrow valley of the Beaverhead River, near the mouth of Horse Prairie Creek.  The town was a station stop on the Union Pacific Railroad line from Idaho Falls, Idaho to Butte, Montana.  There was a post office in Armstead from 1907 to 1962.

Beaverhead County, Montana: Beaverhead County is the largest county by area in the U.S. state of Montana.  As of the 2010 census, the population was 9,246.  Its county seat is Dillon.  The county was founded in 1865.

Dillon, Montana: Dillon is a city in and the county seat of Beaverhead County, Montana, United States.  The population was 4,134 at the 2010 census.  The city was named for Union Pacific Railroad President Sidney Dillon.

Clark Canyon Dam: Clark Canyon Dam is an earthfill dam located in Beaverhead County, Montana, about 20 miles (30 km) south of the county seat of Dillon.  The dam impounds the waters of the Beaverhead River, creating a body of water known as Clark Canyon Reservoir.  The structure was constructed in 1961-1964 by the United States Bureau of Reclamation, to hold water for downstream irrigation and for flood-control purposes.

Badger Pass (Pioneer Mountains): Badger Pass (el.  6755 ft.) is a high mountain pass in Beaverhead County, Montana.  It is located between Bannack, Montana and Dillon, and traversed by Montana Secondary Highway 278.

University of Montana Western: The University of Montana Western (UMW) is a public university located in Dillon, Montana, United States.  It is affiliated with The University of Montana and is part of the Montana University System.  The school was founded in 1893 as Montana State Normal School.  The college was founded as a center for training teachers.  It was formerly known as Western Montana College before becoming part of the Montana University System in 2000.  Enrollment as of Fall 2016 was 1,501 students.

Big Hole Pass: Big Hole Pass (el.  7055 ft ) is a high mountain pass on the Montana Idaho border approximately 8 miles due south of Montana State Highway 43 in the Beaverhead-Deerlodge National Forest, Beaverhead County, Montana and Salmon National Forest, Lemhi County, Idaho.  This location should not be confused with a sign on Montana Highway 278 at the height of land west of Dillon, Montana that denotes the eastern entrance to the Big Hole valley.

Bannack, Montana: Bannack is a ghost town in Beaverhead County, Montana, United States, located on Grasshopper Creek, approximately 11 mi upstream from where Grasshopper Creek joins with the Beaverhead River south of Dillon.  Founded in 1862, the town contemporarily operates as a National Historic Landmark and is managed by the state of Montana as Bannack State Park.

Meyers Fire: The Meyers Fire is in Beaverhead-Deerlodge National Forest and Bitterroot National Forest in the U.S. state of Montana and was first reported on July 17, 2017 at 5:21pm.  Located approximately 25 mi southwest of Phillipsburg, Montana, the Meyers Fire is a natural fire that was caused by lightning.  As of September 28, 2017, it encompassed 62034 acres .  The Meyers Fire originated after a lightning storm passed over the region, starting a fire in remote terrain in Granite County, Montana within Beaverhead-Deerlodge National Forest.  The fire then burned into neighboring Ravalli County, Montana and then crossed the continental divide into Beaverhead County, Montana and Deer Lodge County, Montana, where it entered Bitterroot National Forest.  By August 3, the Meyers and Whetstone Fires merged, with the name of the former being the official name of the event.  Due to a heavy fuel load, exceptionally dry conditions with high heat and periods of strong winds, the Meyers Fire had periods of explosive growth during August and early September, leading to evacuations of nearby communities.

Supporting paragraphs: University of Montana Western Dillon, Montana
Answer: United States