Confident that Charles could neither fight nor buy off the Scotch without parliamentary subsidies, the Long Parliament showed a decidedly stubborn spirit. Its leader, John Pym, a country gentleman already famous for speeches against despotism, openly maintained that in the House of Commons resided supreme authority to disregard ill-advised acts of the Upper House or of the king. Hardly less radical were the views of John Hampden and of Oliver Cromwell, the future dictator of England. The right of the Commons to impeach ministers of state, asserted under James I, was now used to send to the Tower both Archbishop Laud and Thomas Wentworth, earl of Strafford, who, since 1629, had been the king's most valued and enthusiastically loyal minister. [Footnote: Strafford was accused of treason, but was executed in 1641 in accordance with a special "bill of attainder" enacted by Parliament. Laud was put to death in 1645.] The special tribunals--the Court of High Commission, the Court of Star Chamber, and others--which had served to convict important ecclesiastical and political offenders were abolished. No more irregular financial expedients, such as the imposition of ship-money, were to be adopted, except by the consent of Parliament. As if this were not enough to put the king under the thumb of his Parliament, the royal prerogative of dissolving that body was abrogated, and meetings at least every three years were provided for by a "Triennial Act." [Sidenote: Violation of Parliamentary Privileges: Attempted Seizure by Charles of the Five Members] [Sidenote: The Great Rebellion, 1642-1646] All the contested points of government had been decided adversely to the king. But his position was now somewhat stronger. He had been able to raise money, the Scotch invaders had turned back, and the House of Commons had shown itself to be badly divided on the question of church reform and in its debates on the publication of a "Grand Remonstrance" --a document exposing the grievances of the nation and apologizing for the acts of Parliament. Moreover, a rebellion had broken out in Ireland and Charles expected to be put at the head of an army for its suppression. With this much in his favor, the king in person entered the House of Commons and attempted to arrest five of its leaders, but his dismal failure only further antagonized the Commons, who now proceeded to pass ordinances without the royal seal, and to issue a call to arms. The levy of troops contrary to the king's will was an act of rebellion; Charles, therefore, raised the royal standard at Nottingham and called his loyal subjects to suppress the Great Rebellion (1642-1646). [Sidenote: The Parties to the Civil War: "Cavaliers" and "Roundheads"]