Question: Leila Ben Youssef was born in this city less than 10mi away from what border?

Context paragraphs:
Sidney, Montana: Sidney is a city in and the county seat of Richland County, Montana, United States, less than 10 mi away from the North Dakota border.  The population was 5,191 at the 2010 census.  The city lies along the Yellowstone River and is in proximity to the badlands of the Dakotas.  Sidney is approximately midway between Glendive, Montana and Williston, North Dakota.

Leila Ben Youssef: Leila Maryam Ben Youssef (Arabic: ليلى مريم بن يوسف‎ ‎ ; born November 13, 1981 in Sidney, Montana, United States) is an American-born Tunisian pole vaulter.  She is a multiple-time Tunisian record holder in the pole vault, and a gold medalist at the 2007 All-Africa Games in Algiers, Algeria.  She also holds a dual citizenship, and chose to represent her father's birthplace Tunisia at numerous sporting events, including the Olympic games.

Syam Ben Youssef: Syam Ben Youssef (Tunisian Arabic: صيام بن يوسف‎ ; born 31 March 1989 in Marseille) is a Tunisian footballer who plays as a centre back for French club Caen in Ligue 1

Mohammed al-Habib al-Fourkani: Mohammed al-Habib al-Fourkani (1922 – 2008, born in Tahanaoute) was a Moroccan writer, historian and politician who played an important role during the struggle for independence, during which he was exiled (December 9, 1952 – January 14, 1954) and imprisoned two times by the French.  He studied at the Ben Youssef School of Marrakech before he joined the national independence movement in 1943.  His first newspaper articles appeared in the journal "At-Taqaddoum" (Progress) and many were to follow.  He was one of the chief editors of the magazine "Majallat Al-Adib" (revue des lettres) and the newspaper "Al-Mouharrir".  He wrote two volumes of poetry "Noujoum fi Yadi" (Stars between my hands-1965) and "Doukhane min Al-Azmina Al-Mohtariqa" (Smoke of glowing times).  He was a member of parliament for the USFP between 1978 and 2002.

Basma Association: The BASMA Association for the Promotion of Employment of the Disabled is a Charitable association.  It was established on March 7, 2000, by Mrs. Leila Ben Ali, the wife of the former president of the Republic of Tunisia, Zine El Abidine Ben Ali.

Ben Youssef Madrasa: The Ben Youssef Madrasa was an Islamic college in Marrakesh, Morocco, named after the Almoravid sultan Ali ibn Yusuf (reigned 1106–1142), who expanded the city and its influence considerably.  It is the largest madrasa in all of Morocco.

Norton, Suffolk: Norton is a village and civil parish in the Mid Suffolk district of the English county of Suffolk.  The name Norton means northern town or farm.  Located close to the A14, its nearest railway station is at Elmswell, just over 3 mi away.  The closest towns are Stowmarket 8 mi away and Bury St Edmunds, around 10 mi away.

Ben Youssef Meïté: Ben Youssef Meïté (November 11, 1986) is a sprinter from Côte d'Ivoire.  In 2010 he competed at the 2010 African Championships in Nairobi and won the gold medal with a time of 10.08 seconds.  He went on to compete in the 2016 Summer Olympics in Rio de Janeiro, Brazil where he finished fifth in the 100 meter dash with a personal best and national record of 9.96.

Salah ben Youssef: Salah Ben Youssef (صالح بن يوسف ), born on October 11, 1907 in Maghraoua, (Djerba) and was assassinated on none }} in Frankfurt am Main, Germany.  He is a Tunisian Politician and one of the key leaders of the Tunisian national movement.

Ben Arafa: Mohamed Ben Arafa (Arabic: محمد بن عرفة‎ ‎ ; 1889–17 July 1976) was a Moroccan alaouite royal of the early 20th century.  He is best known for being the subject of a plot by Thami El Glaoui, Pasha of Marrakech to dethrone his cousin Mohammed Ben Youssef (Mohammed V).  He ruled for a brief period between 1953 and 1955, when he was enthroned by the French as a replacement of Mohammed V.  This move was seen by the Moroccan public as humiliation and resulted in widespread violence until Mohammed V was resorted to his throne.

Supporting paragraphs: Leila Ben Youssef Sidney, Montana
Answer: North Dakota