On behalf of Ulster Carson gave unhesitating support to the Government. He and his colleagues from Ulster had always voted against the exemption of Ireland from the Military Service Acts. It was true, no doubt, as the Nationalists jeeringly maintained, that conscription was no more desired in Ulster than in any other part of the United Kingdom. Of course it was not; it was liked nowhere. But Carson declared that "equality of sacrifice" was the principle to be acted upon, and Ulster accepted it. He "would go about hanging his head in shame," if his own part of the United Kingdom were absolved from sacrifice which the national necessity imposed on the inhabitants of Great Britain. The Bill was carried through by the 16th of April in the teeth of Nationalist opposition maintained through all its stages. Mr. Bonar Law announced emphatically that the Government intended to enforce the compulsory powers in Ireland; but he also said that yet another attempt was to be made to settle the constitutional question by bringing in "at an early date" a measure of Home Rule which the Government hoped might be carried at once and "without violent controversy." After the experience of the past this seemed an amazingly sanguine estimate of the prospects of any proposals that ingenuity could devise. But what the nature of the measure was to have been was never made known; for the Bill was still in the hands of a drafting committee when a dangerous German intrigue in Ireland was discovered; and the Lord-Lieutenant made a proclamation on the 18th of May announcing that the Government had information "that certain of the King's subjects in Ireland had entered into a treasonable communication with the German enemy, and that strict measures must be taken to put down this German plot."[98] On the same day one hundred and fifty Sinn Feiners were arrested, including Mr. De Valera and Mr. Arthur Griffith, and on the 25th a statement was published indicating the connection between this conspiracy and Casement's designs in 1916. The Government had definitely ascertained some weeks earlier, and must have known at the very time when they were promising a new Home Rule Bill, that a plan for landing arms in Ireland was ripe for execution.[99] Indeed, on the 12th of April a German agent who had landed in Ireland was arrested, with papers in his possession showing that De Valera had worked out a detailed organisation of the rebel army, and expected to be in a position to muster half a million of trained men.[100]