With much previous experience in diplomacy, especially that requiring intrigue and indirect methods (as in the preliminaries of the Mexican War), and having held his seat in the United States Senate until the withdrawal of Louisiana from the Union, he was, of the two men, more feared and more detested, but both were thoroughly obnoxious to the North.

Merely on the personal side their capture was cause for wide rejoicing[404].
Surprise was also an element in the American elation, for until the news of the capture was received no portion of the public had given serious thought to any attempt to stop the envoys.

Surprise also played its part when the affair became known in England, though in official circles there had been some warning.

It had already been reported in the British press that Mason and Slidell had run the blockade at Charleston, were in Cuba, and were about to set sail for England on the Confederate steamer _Nashville_, but the British Government, considering that the envoys might perhaps sail rather on the West India Mail Steamer for Southampton, became much concerned over a possible American interference with that vessel.

On November 9 Hammond sent an urgent enquiry to the Advocate-General stating the situation, calling attention to the presence at Southampton of an American war-vessel, and asking whether this vessel, or any other American man-of-war, "would be entitled to interfere with the mail steamer if fallen in with beyond the territorial limits of the United Kingdom, that is beyond three miles from the British Coast." [Illustration: _Photo: Handy, Washington_ JAMES M.MASON] "Whether for instance she might cause the West India Mail Steamer to bring to, might board her, examine her Papers, open the Mail Bags and examine the contents thereof, examine the luggage of passengers, seize and carry away Messrs.