Question: What was the nationality of Marco Garibaldi's former partner?

Context paragraphs:
Marco Aurélio Cunha dos Santos: Marco Aurélio Cunha dos Santos known as Marco Aurélio or just M. Aurélio (born 18 February 1967) is a Brazilian former footballer who played as a defender.  He also holds Portuguese nationality after played over 8 seasons at Portugal.

Zhang Hao (figure skater): Zhang Hao (; born July 6, 1984) is a Chinese pair skater.  With current partner Yu Xiaoyu, he is the 2016–17 Grand Prix Final silver medalist and 2017 Asian Winter Games champion.  With former partner Peng Cheng, he is the 2015 Four Continents silver medalist.  With former partner Zhang Dan, he is the 2006 Olympic silver medalist, a four-time (2005 bronze, 2006, 2008, 2009 silver) World medalist, and a two-time (2005, 2010) Four Continents champion.

Campaign for John Hunt: John Hunt (born July 16, 1981) is an Irish citizen who was involuntarily detained as a psychiatric patient.  The conditions of Hunt's detention have been the subject of a sustained campaign by his former partner and mother of his child Gráinne Humphrys.  He was committed as an involuntary psychiatric patient in 2005 and was detained at a secure psychiatric unit in Cork until August 2011 when he was transferred to the Central Mental Hospital, Dundrum, Dublin.  Until 2010 he was not granted leave for any temporary release from the Cork facility to visit his family.  As a result of the campaign of his former partner that year the Cork hospital allowed Hunt six hours unsupervised leave every two weeks.  However, following a violent altercation with a psychiatric nurse this leave was rescinded and Hunt was transferred to the main Irish forensic psychiatric unit in Dundrum.

Priscilla Presley: Priscilla Ann Presley (née Wagner; born May 24, 1945) is an American actress and business magnate.  She is the former wife of the late American singer Elvis Presley as well as co-founder and former chairwoman of Elvis Presley Enterprises (EPE), the company that turned Graceland into one of the top tourist attractions in the United States.  In her acting career, Presley starred with Leslie Nielsen in the three successful "Naked Gun" films, and played the role of Jenna Wade on the long-running television series "Dallas".

Ghosting (relationships): Ghosting refers to the act of breaking off a relationship (often used in the context of intimate relationships) by ceasing all communication and contact with the former partner without any apparent warning or justification, as well as avoiding and/or ignoring and refusing to respond in any way to the former partner’s attempts to reach out or communicate.

Raffaello Carboni: Raffaello Carboni was born in Urbino, Italy in 1817.  Dedicated to the cause of Italian nationalism, he fought with the forces of Mazzini and Garibaldi to free Italy from Austrian influence.  After the fall of the Roman Republic (1849–1850), he fled to London and then to Melbourne.  He arrived on the Ballarat goldfields in 1853, and became a member of the miners' central committee.  By the time of the Eureka Stockade he had been on or around the goldfields for almost two years.  On 30 November 1854, he called on all miners "irrespective of nationality, religion or colour to salute the Southern Cross as a refuge of all the oppressed from all countries on Earth."  When the stockade was attacked on 3 December 1854, he remained a spectator.  He was, however, arrested and tried for treason, but later acquitted in March, having been taken ill with dysentery in gaol.  In July 1855 Carboni was elected to the local court at Ballarat to adjudicate mining disputes.  His book, "The Eureka Stockade", the only complete first-hand description and analysis of the causes of the attack on the Eureka Stockade, was published a year after the uprising.

Marco Garibaldi: Marco Garibaldi is an American entrepreneur.  He is also the former partner of Priscilla Presley and father of Navarone Garibaldi.

Viale Pasubio: Viale Pasubio is an avenue in Milan, Italy.  It is part of the "circonvallazione interna" ring road, a major traffic route that runs along the former Spanish walls of Milan.  The street is 350 m long and connects two former city gates, namely Porta Garibaldi (now Piazza XV Aprile) and Porta Volta (now Piazzale Baiamonti).  The street was formerly known as "Viale di Porta Garibaldi" (Porta Garibaldi Avenue), and was renamed after World War I in remembrance of the fightings on the Pasubio massif (Dolomites) that occurred during the war.

Michael S. Greco: Michael Spencer Greco (born November 22, 1942, Rende, Italy) is a former President of the American Bar Association (2006–2007).  He is currently a partner in the Boston office of K&L Gates, and a former partner at the now-defunct Hill and Barlow.

Navarone Garibaldi: Navarone Anthony Garibaldi (born March 1, 1987) is an American musician.  He is the frontman of the band Them Guns.  Garibaldi is the son of Marco Garibaldi and Priscilla Presley, and also half-brother of Lisa Marie Presley.

Supporting paragraphs: Marco Garibaldi Priscilla Presley
Answer: American