Question: The Harold Adams Office Building is a historic commercial building, in Fort Smith, in which U.S. State, it is a single-story office building, of a single-story Mid-century modern office building, designed by the regionally prominent architect Harold Eugene Adams?
Context: The Loussac-Sogn Building is a historic commercial building at 429 D Street in downtown Anchorage, Alaska.  It is a three story Moderne-style building, with storefronts on the ground floor and offices above, with its long side extending along 5th Avenue, and its main entrance, on D Street.  The based on the building up to the storefront windows is finished in green tile, while most of the building is finished in concrete.  The main entrance has a polished stone surround.  Built in 1947, it is one of the oldest survivine Moderne structures in the city, and was the largest office building in the city at its completion.  It was planned by Zachariah J. Loussac and Dr. Harold Sogn as a small building to house Dr. Sogn's medical practice, but grew in the design to its more substantial form. The Oscar Chamber House is a historic house at 3200 South Dallas Street in Fort Smith, Arkansas.  Built in 1963-64 to a design by Arkansas architect Ernie Jacks, it is a prominent local example of residential Mid-Century Modern architecture, set in a neighborhood of more conventional ranch and split entry houses.  It is a single-story frame structure, with a broad gabled roof, vertical board siding, and a concrete foundation.  It has casement windows and sliding glass doors providing access to the outside.  The structure is basically a U shape built around a courtyard at the back. Mid-century modern is a term that describes mid–20th century developments in interior, product, and graphic design, architecture, and urban development from roughly 1933 to 1965.  The term, employed as a style descriptor as early as the mid-1950s, was reaffirmed in 1983 by Cara Greenberg in the title of her book, "Mid-Century Modern: Furniture of the 1950s" (Random House), celebrating the style that is now recognized by scholars and museums worldwide as a significant design movement. The Chicago Mill Company Office Building is a historic commercial building at 129 North Washington Street in West Helena, Arkansas.  It is a single-story wood frame structure, whose Craftsman styling includes broad eaves and a wraparound porch supported by square columns.  Built c. 1920, it housed the local offices of the Chicago Mill Company, one of the largest lumber concerns to operate in West Helena when that business was booming in the 1920s and 1930s.  It is one of the few commercial buildings in West Helena to survive from that time. The 300 West Adams Building (a.k.a. 300 West Adams Street Office Building) exemplifies several themes in the development of Chicago's Central Area.  As a 1920s-era office building in the West Loop, the building reflects the outward expansion of Chicago's office business district from its historic core into former warehouse districts along the Chicago River.  The twelve-story terra cotta-clad building is an excellent example of the Gothic Revival architectural style and a fine example of the important use in Chicago of architectural terra cotta for large-scale commercial buildings.  Through its handsome design and excellent craftsmanship, the 300 West Adams Office Building epitomizes the high-rise office building boom of the 1920s and stands today as a significant example of this historic building type. The Julian Bunn Davidson House is a historic house at 410 South Battery Street in Little Rock, Arkansas.  It is the only formerly residential structure in Arkansas capitol district, currently housing state offices.  It is a single-story Mid-Century Modern structure, designed by local architect Julian Bunn Davidson for his family and built in 1951.  It is a high-quality example of the modern style, and the only one in this region of the city. The Harold Adams Office Building is a historic commercial building at 2101 South H Street in Fort Smith, Arkansas.  It is a single-story Mid-century modern office building, designed by the regionally prominent architect Harold Eugene Adams, one of the first architects to graduate from the architecture department of the University of Arkansas at Fayetteville, for use as his professional office.  The office is a high-quality small-scale example of his work, which it was designed to showcase. The Stebbins and Roberts Office Building and Factory is a historic manufacturing facility at 1300 East 6th Street in Little Rock, Arkansas.  Set on 3 acre at the junction of East 6th and Shall Avenue, the building has a single-story office section and a two-story manufacturing facility behind.  It has a buff brick exterior, and its main entrance has Art Deco decorative elements.  The plant was built in 1947 to a design by Burks and Anderson, a prominent local architectural firm.  It is their only known surviving industrial design. The Goldman and Son Store is a historic commercial building at 101 Main Street in Clarendon, Arkansas.  Built in 1893, this single-story brick building with pressed-metal facade is the oldest commercial building in the city, and the only 19th-century commercial building in active use.  It was first used by a dry goods and cotton merchant, and in 1930 converted for use by a fish dealer. The Dan Stowers Office Building is a historic commercial building at 1516 West 3rd Street in Little Rock, Arkansas.  It is a single-story masonry structure, with an International style design by architect Dan Stowers, Sr.  It was built in 1961, and served as the office of Stowers and his son, Dan Jr., until 2013.  The building is notable for its Mid-Century Modern design, featuring curtain-wall windows, porcelain enamel panels, and blocks of haydite in its construction.
Answer: Arkansas