Answer
Fine Gael is the political party to which Liam Cosgrave belonged. Fine Gael is a centre-right political party in Ireland. Founded in 1933, it is one of the two major political parties in the Republic of Ireland, along with Fianna Fáil. Fine Gael has been the largest party in the Dáil, the lower house of the Oireachtas, on several occasions, and has led several governments.