sentences:  Conditions for competing in a "foreign" league, as well as in a continental/confederational competition, are set case-by-case by FIFA, the international association football federation as well as the respective continental confederation and national football associations involved.Clubs which are located in defunct nations that merged with others, new nations separated from others, or which stopped competing in a nation's league system because their locale was transferred to another nation, are not included in this article.As a result of the history of football in the United Kingdom, the United Kingdom has four FIFA member countries instead of one.