"old Article 2 of the Irish Constitution" . "a territorial claim to Northern Ireland" . "inclusion of Northern Ireland within the \\\"national territory\\\"" . "Articles 2 and 3 of the Constitution of Ireland" . "Article 3" . "Article 2" . "Article 3 of the Constitution" . "change to Articles 2 and 3" . "articles 2 and 3" . "Article 2 of the Irish constitution" . "the Constitution's claim to sovereignty there" . . . "constitutional" . . . "Article 2" . "Amendment to the Irish constitution" . . . "Articles 2 and 3 of the Constitution of Ireland" . "Articles 2 and 3 of the Irish constitution" . . "Articles 2 and 3 of the Constitution" . "withdrawal of its constitutional claim to Northern Ireland in 1999" . "Articles 2 and 3" .