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 recommend the Treaty to Dáil Éireann; the Treaty was finally signed by the delegates after further negotiations which closed at 02:20 on 6 December 1921. De Valera balked at the agreement. His opponents claimed that he had refused to join the negotiations because he knew what the outcome would be and did not wish to receive the blame. De Valera claimed that he had not gone to the treaty negotiations because he would be better able to control the extremists at home, and that his absence would allow leverage for the plenipotentiaries to refer back to him and not be