"The Duke of Sully, minister of Henry IV. [one of the most chivalrous princes that ever lived], having embarked at Calais in a French ship wearing the French flag at the main, was no sooner in the Channel than, meeting an English despatch-boat which was there to receive him, the commander of the latter ordered the French ship to lower her flag. The Duke, considering that his quality freed him from such an affront, boldly refused; but this refusal was followed by three cannon-shot, which, piercing his ship, pierced the heart likewise of all good Frenchmen. Might forced him to yield what right forbade, and for all the complaints he made he could get no better reply from the English captain than this: 'That just as his duty obliged him to honor the ambassador's rank, it also obliged him to exact the honor due to the flag of his master as sovereign of the sea.' If the words of King James himself were more polite, they nevertheless had no other effect than to compel the Duke to take counsel of his prudence, feigning to be satisfied, while his wound was all the time smarting and incurable. Henry the Great had to practise moderation on this occasion; but with the resolve another time to sustain the rights of his crown by the force that, with the aid of time, he should be able to put upon the sea." This act of unpardonable insolence, according to modern ideas, was not so much out of accord with the spirit of nations in that day. It is chiefly noteworthy as the most striking, as well as one of the earliest indications of the purpose of England to assert herself at all risks upon the sea; and the insult was offered under one of her most timid kings to an ambassador immediately representing the bravest and ablest of French sovereigns. This empty honor of the flag, a claim insignificant except as the outward manifestation of the purpose of a government, was as rigidly exacted under Cromwell as under the kings. It was one of the conditions of peace yielded by the Dutch after their disastrous war of 1654. Cromwell, a despot in everything but name, was keenly alive to all that concerned England's honor and strength, and did not stop at barren salutes to promote them. Hardly yet possessed of power, the English navy sprang rapidly into a new life and vigor under his stern rule. England's rights, or reparation for her wrongs, were demanded by her fleets throughout the world,--in the Baltic, in the Mediterranean, against the Barbary States, in the West Indies; and under him the conquest of Jamaica began that extension of her empire, by force of arms, which has gone on to our own days. Nor were equally strong peaceful measures for the growth of English trade and shipping forgotten. Cromwell's celebrated Navigation Act declared that all imports into England or her colonies must be conveyed exclusively in vessels belonging to England herself,