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 Government. Critics complain that de Valera's duplicity and betrayal of the Treaty process and his rejection of agreed upon democratic procedures led to civil war and nearly destroyed Ireland at birth. Liberals decry his conservative social policies and his close relationship with the Catholic bishops. He was morally certain to the point of arrogance with a keen eye for his own political self-preservation. In his devout Catholicism, his rejection of material ostentation, his determination to revive the Irish language, and his inability to comprehend Protestant Ulster's fears of Catholic domination, historian Bill Kissane portrays de Valera as representative of his