antly furnished materials for international quarrels,
while the watchful jealousy of both kings, and the unavoidable collision
of their commercial interests in the North Seas, were inexhaustible
sources of dispute.

Among the means of which Gustavus Vasa, the founder of the Swedish
monarchy, availed himself to strengthen his new edifice, the Reformation
had been one of the principal. A fundamental law of the kingdom
excluded the adherents of popery from all offices of the state, and
prohibited every future sovereign of Sweden from altering the religious
constitution of the kingdom. But the second son and second successor of
Gustavus had relapsed into popery, and his son Sigismund, also king of
Poland, had been guilty of measures which menaced both the constitution
and the established church. Headed by Charles, Duke of Sudermania, the
third son of Gustavus, the Estates made a courageous resistance, which
terminated, at last, in an open civil war between the uncle and nephew,
and between the King and the people. Duke Charles, administrator of the
kingdom during the absence of the king, had availed himself of
Sigismund's long residence in Poland, and the just displeasure of the
states, to ingratiate himself with the nation, and gradually to prepare
his way to the throne. His views were not a little forwarded by
Sigismund's imprudence. A general Diet ventured to abolish, in favour
of the Protector, the rule of primogeniture which Gustavus had
established in the succession, and placed the Duke of Sudermania on the
throne, from which Sigismund, with his whole posterity, were solemnly
excluded. The son of the new king (who reigned under the name of
Charles IX.) was Gustavus Adolphus, whom, as the son of a usurper, the
adherents of Sigismund refused to recognize. But if the obligations
between monarchy and subjects are reciprocal, and states are not to be
transmitted, like a lifeless heirloom, from hand to hand, a nation
acting with unanimity must have the power of renouncing their allegiance
to a sovereign who has violated his obligations to them, and of filling
his place by a worthier object.

Gustavus Adolphus had not completed his seventeenth year, when the
Swedish throne became vacant by the death of his father. But the early
maturity of his genius enabled the Estates to abridge in his favour the
legal period of minority. With a glorious conquest over himself he
commenced a reign which was to have victory for its constant