Answer the following question: Information: - Latin America is a group of countries and dependencies in the Americas where Romance languages are predominant. The term originated in 19th century France as "Amerique latine" to consider French-speaking territories in the Americas (Haiti, French Guiana, Martinique, Guadeloupe, Saint Martin, Saint Barthelemy) along with the larger group of countries where Spanish and Portuguese languages prevailed. It is therefore broader than the terms Ibero-America or Hispanic Americathough it usually excludes French Canada and modern French Louisiana. - The Home Nations, or Home Countries, refers collectively to England, Scotland, Wales, and Northern Ireland (countries of the United Kingdom), and in certain sports (e.g. Rugby football) contexts, to England, Scotland, Wales and the whole island of Ireland. The term "Home Nations" is used in this second sense partly because Northern Ireland and the Republic of Ireland have a unified association structure in certain sports, such as the Irish Rugby Football Union. Formerly the phrase was applied in general in this same wider sense, such as the period between 1800 and 1922, before the political partition of Ireland, when the whole island was part of the United Kingdom. The term "Home Countries" (not to be confused with the "home counties") is also sometimes used, and is synonymous. - England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west. The Irish Sea lies northwest of England and the Celtic Sea lies to the southwest. England is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain (which lies in the North Atlantic) in its centre and south; and includes over 100 smaller islands such as the Isles of Scilly, and the Isle of Wight. - Argentina, officially the Argentine Republic, is a federal republic in the southern half of South America. Sharing the bulk of the Southern Cone with its neighbor Chile to the west, the country is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. With a mainland area of , Argentina is the eighth-largest country in the world, the second largest in Latin America, and the largest Spanish-speaking one. The country is subdivided into twenty-three provinces (singular "provincia") and one autonomous city ("ciudad autonoma"), Buenos Aires, which is the federal capital of the nation as decided by Congress. The provinces and the capital have their own constitutions, but exist under a federal system. - Ireland, also described as the Republic of Ireland ('), is a sovereign state in north-western Europe occupying about five-sixths of the island of Ireland. The capital and largest city is Dublin, which is located on the eastern part of the island, and whose metropolitan area is home to around a third of the country's 4.75 million inhabitants. The state shares its only land border with Northern Ireland, a part of the United Kingdom. It is otherwise surrounded by the Atlantic Ocean, with the Celtic Sea to the south, Saint George's Channel to the south-east, and the Irish Sea to the east. It is a unitary, parliamentary republic. The legislature, the ', consists of a lower house, ', an upper house, ', and an elected President (') who serves as the largely ceremonial head of state, but with some important powers and duties. The head of government is the ' (Prime Minister, literally 'Chief', a title not used in English), who is elected by the Dail and appointed by the President, and appoints other government ministers. - The United Kingdom (UK) comprises four countries: England, Scotland, Wales and Northern Ireland. - Scotland (Scots: ) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain. It shares a border with England to the south, and is otherwise surrounded by the Atlantic Ocean, with the North Sea to the east and the North Channel and Irish Sea to the south-west. In addition to the mainland, the country is made up of more than 790 islands, including the Northern Isles and the Hebrides. - Rugby is a type of football developed at Rugby School in Rugby, Warwickshire, one of many versions of football played at English public schools in the 19th century. The two main types of rugby are rugby league and rugby union. Although rugby league initially used rugby union rules, they are now wholly separate sports. - The partition of Ireland was the division of the island of Ireland into two distinct jurisdictions, Northern Ireland and Southern Ireland. It took place on 3 May 1921 under the Government of Ireland Act 1920. Today the former is still known as Northern Ireland and forms part of the United Kingdom while the latter is a now sovereign state also named Ireland, formally known as the Republic of Ireland. - England were the first of the Home Nations to tour Argentina , and to take advantage of the recent International Board ruling that full caps could be awarded for matches against non-IB countries . It had been the intention to tour Argentina in 1973 , but terrorist threats had necessiatated cancellation and the side had gone to Fiji and New Zealand instead . - Northern Ireland (; Ulster Scots: "") is a top-level constituent unit of the United Kingdom in the northeast of Ireland. It is variously described as a country, province, region, or "part" of the United Kingdom, amongst other terms. Northern Ireland shares a border to the south and west with the Republic of Ireland. In 2011, its population was 1,810,863, constituting about 30% of the island's total population and about 3% of the UK's population. Established by the Northern Ireland Act 1998 as part of the Good Friday Agreement, the Northern Ireland Assembly holds responsibility for a range of devolved policy matters, while other areas are reserved for the British government. Northern Ireland co-operates with the Republic of Ireland in some areas, and the Agreement granted the Republic the ability to "put forward views and proposals" with "determined efforts to resolve disagreements between the two governments". - Wales is a country that is part of the United Kingdom and the island of Great Britain. It is bordered by England to the east, the Irish Sea to the north and west, and the Bristol Channel to the south. It had a population in 2011 of 3,063,456 and has a total area of . Wales has over of coastline and is largely mountainous, with its higher peaks in the north and central areas, including Snowdon, its highest summit. The country lies within the north temperate zone and has a changeable, maritime climate. - The Irish Rugby Football Union (IRFU) is the body managing rugby union in the island of Ireland (both Republic of Ireland and Northern Ireland). The IRFU has its head office at 10/12 Lansdowne Road and home ground at Aviva Stadium, where adult men's Irish rugby union international matches are played. In addition, the Union also owns Ravenhill in Belfast, Thomond Park in Limerick and a number of grounds in provincial areas that have been rented to clubs. After reading the paragraphs above, we are interested in knowing the entity with which '1981 england rugby union tour of argentina' exhibits the relationship of 'sport'. Find the answer from the choices below. Choices: - rugby - rugby union - spanish - united kingdom
Answer:
rugby union