Éamon de Valera new line. However, a vote to accept the Free State Constitution (contingent on the abolition of the Oath of Allegiance) narrowly failed. Soon afterward, de Valera resigned from Sinn Féin and seriously considered leaving politics. However, one of his colleagues, Seán Lemass, convinced de Valera to found a new republican party. In March 1926, with Lemass, Constance Markievicz and others, de Valera formed a new party, Fianna Fáil ("The Warriors of Destiny"), a party that was to dominate 20th-century Irish politics. While Sinn Féin still held to an abstentionist line, Fianna Fáil was dedicated to republicanising the Free State from
Éamon de Valera He then, along with Cathal Brugha and Austin Stack, brought pressure to bear on Michael Collins to undertake a journey to the U.S. himself, on the pretext that only he could take up where de Valera had left off. Collins successfully resisted this move, and stayed in Ireland. In the elections of May 1921, all candidates in Southern Ireland were returned unopposed, and Sinn Féin secured some seats in Northern Ireland. Following the Truce of July 1921 that ended the war, de Valera went to see David Lloyd George in London on 14 July. No agreement was reached, and by