Unionists are people in Ireland , England , Scotland and Wales who were historically in favour of uniting their nations into the United Kingdom , or who in modern times wish their the subsequent constituent parts to remain part of the United Kingdom .
Members and supporters of Trades Union s also bear the label of unionists. See also Syndicalism .
Unionist is also a term used to describe someone loyal to the Union Forces during the American Civil War . For greater detail on American Unionists see the article Union (American Civil War) .