Sinn Féin for nine years. (It merged with two other organisations to form Fine Gael in 1933.) Anti-Treaty Sinn Féin members continued to boycott the Dáil. At a special "Ard Fheis" in March 1926, de Valera proposed that elected members be allowed to take their seats in the Dáil if and when the controversial Oath of Allegiance was removed. When his motion was defeated, de Valera resigned from Sinn Féin; on 16 May 1926, he founded his own party, Fianna Fáil, which was dedicated to republicanising the Free State from within its political structures. He took most Sinn Féin TDs with him.
Éamon de Valera the UK in retaliation imposed economic sanctions against Irish exports. De Valera responded in kind with levies on British imports. The ensuing an "Economic War" which lasted until 1938. After advising King George V to dismiss McNeill as Governor-General, the King suggested McNeill instead carry on a while longer as viceroy and then resign, which he did on 1 November 1932. Subsequently, a 1916 veteran, Domhnall Ua Buachalla, was appointed Governor-General. To strengthen his position against the opposition in the Dáil and Seanad, de Valera directed the Governor-General to call a snap election in January 1933 and de Valera's party