Stoughton & Stoughton was a New York-based architectural firm comprising the partnership of Charles (1860—1944) and Arthur Alexander Stoughton (1867—1955) who were born in Mount Vernon, New York.
 Arthur graduated from Columbia University in 1888 and trained at the École des Beaux-Arts, Paris, which matured an accomplished academic classical style, known especially in the United States, as Beaux-Arts architecture.
 In this vein, among their joint public commissions was the Soldiers' and Sailors' Monument (New York), dedicated on Memorial Day 1902.
 The firm won a competition for the design.
 Following this commission they were asked to design the 41st Precinct Station House on Mosholu Parkway, in Norwood, the Bronx, which is now the station house for the 52nd Precinct.
 The building is of red brick and architectural terracotta, with a clock tower.
Ronald Alexander Blackwood (January 19, 1926 – February 22, 2017) was a Jamaican-born American politician who served as the Mayor of Mount Vernon, New York, for eleven years from 1985 until 1996.
 On January 25, 1985, Blackwood became the first black Mayor of Mount Vernon, as well as the first black person elected mayor of any municipality in New York state.
The Mount Vernon Police Department, commonly referred to as MVPD, is a professional police organization responsible for primary jurisdictional law enforcement for the city of Mount Vernon, New York.
 Mount Vernon is located in Westchester County, which is located immediately north of the New York City limits, north of Bronx County.
 The Mount Vernon Police Headquarters are located in Mount Vernon Civic Center, with an address of 2 Roosevelt Square North, Mount Vernon, NY 10550 (914) 665-2500.
 The department is a New York State Accredited Agency.
Mount Vernon is the county seat of Skagit County, Washington, United States.
 The population was 31,743 at the 2010 census.
 It is one of two principal cities of and included in the Mount Vernon-Anacortes, Washington Metropolitan Statistical Area.
 It is the county seat of Skagit County.
 Downtown Mount Vernon is known for its annual Tulip Festival Street Fair, which is part of the Skagit Valley Tulip Festival.
 The climate of Skagit County is similar to that of Northern France, with millions of tulips grown in the Skagit Valley.
 In 1998, Mount Vernon was rated the #1 "Best Small City in America" by the "New Rating Guide to Life in America's Small Cities".
Mount Vernon is a city in Westchester County, New York, United States.
 It is an inner suburb of New York City, immediately to the north of the borough of the Bronx.
 As of the 2010 census, Mount Vernon had a population of 67,292.
Mount Vernon is a town in Kennebec County, Maine, United States.
 The population was 1,640 at the 2010 census.
 Mount Vernon is included in the Augusta, Maine micropolitan New England City and Town Area.
 A popular recreation spot in central Maine, the northern area of Mount Vernon is part of the Belgrade Lakes Region, while the southern area is part of the Winthrop Lakes Region.
Mount Vernon is a district in the southeastern sector of Fairfax County, Virginia which encompasses the area along the Potomac River, Mount Vernon, Fort Belvoir, and Gunston Hall.
 It includes the CDPs of Belle Haven, New Alexandria, Huntington, Groveton, Hybla Valley, Fort Hunt, Mount Vernon, Fort Belvoir, Mason Neck, Lorton, and Newington, Virginia.
 The office of the district is on 2511 Parkers Lane, Alexandria, VA 22306; Annual Town Meetings are held at Mount Vernon High School's "Little Theatre".
 s of 2010 the population was 127,637.
 Dan Storck is the current supervisor.
Bernard Oliver Satenstein (c. 1906 – May 1, 1959) was an American football player who five seasons in the National Football League with the Staten Island Stapletons and New York Giants.
 He played college football at New York University and attended Cushing Academy in Ashburnham, Massachusetts.
 He was also a coach at Mount Vernon High School in Mount Vernon, New York.
Mount Vernon High School (MVHS) is a public high school in the Chester Heights section of the City of Mount Vernon in Westchester County, New York, United States.
 It is part of the Mount Vernon City School District.
The Mount Vernon East Metro-North Railroad station serves passengers at Mount Vernon, New York, via the New Haven Line.
 The station is the first station north of the junction where the New Haven Line splits from the Harlem Line and is the only station on the line before it changes from third rail power to overhead catenary power, which takes place north of there, between Mount Vernon East and Pelham stations.
 Some New Haven Railroad-era overhead catenary poles can still be found southwest of the Gramatan Avenue bridge.
 After Pelham, the New Haven Line joins the Northeast Corridor at New Rochelle.

Question: What country does Stoughton & Stoughton and Mount Vernon, New York have in common?
Answer: United States