 This time he was hounded out by Devlin's Molly Maguire baton troops, a wing of the Hibernian Order, on the occasion of the rigged Dublin National Convention in February 1909, called the "Baton Convention", in a dispute over the financial arrangements for the next stage of the 1909 Land Purchase Act.As a consequence, O'Brien next founded his new political movement, the All-for-Ireland League, which returned eight independent MPs in the December 1910 general elections.The United Irish League remained politically active as Devlin's support organisation for the Parliamentary party, becoming largely infiltrated by members of the Ancient Order of Hibernians, up until the rise of Sinn Féin after the outbreak of World War I in 1914.