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Rh Mexican privateers, could not be treated as pirates, announced that his government would faithfully do its duty.

France was prompt and active in responding to our demands. Spain, placed under stringent obligations by the treaty of October, 1795, promised full compliance with its requirements, captured El Unico, punished its crew, pursued La Rosita, and ordered O'Donnell, the captain general of Cuba, to act as her obligations required; but she accepted Pareda, the colporteur of what was piracy under her agreement, as consul of Mexico; and the captain general, while he convinced the American representative of his good-will and in fact would not permit an open violation of the treaty, suggested to the Mexicans ways — fortunately impracticable — of evading his own rules. But the risks of privateering under so many embarrassments and the virtual impossibility of converting a prize into cash, prevented all attempts except the feeble ones already mentioned. In this field, consequently, our navy, though incessantly watchful, could acquire no laurels.

Another aspect of the situation concerned it more seriously. On the day Congress passed the war bill (May 13, 1846) orders were issued to blockade the ports of Mexico. Several definite aims prompted this action. Primarily, of course, it was desired to prevent supplies of all kinds from reaching the enemy, and to deprive them of the almost indispensable revenues obtained in peace by taxing imports; but there were also hopes that loss of business would induce Great Britain and France, which had a profitable trade in that quarter, to urge upon Mexico the acceptance of our terms. 'The blockade was therefore to be enforced vigorously. At the same time neutrals were to be treated with all reasonable indulgence. Theoretically only their war vessels had the right of entering closed ports, but practically the intention was to broaden that narrow door considerably. Toward itself, however, the United States determined to be strictly faithful in observing its declared principles. Merely those ports where the order could become effective were in view. The announcement of blockade was to be made as public as it could be; and in particular the government required that a full warning should be given to neutral ships.

For the work thus imposed upon him Conner had ample