In writing the Minister of Marine, Talleyrand explained that " the empire of circumstances, foresight of the future, and the intention to compensate by an advantageous arrangement for the inevitable loss of a country which was going to be put at the mercy of another nation -- all these motives have determined the Government to pass to the United States the right it had acquired from Spain over the sovereignty and property of Louisiana." In brief, Napoleon's sale of Louisiana, as explained by the Minister of Foreign Affairs, disposed of a country which he would inevitably lose whenever war occurred with England. This was the argument Livingston had been urging for three months, with evident effect. Had he been less earnest or dramatic, Napoleon's purpose might not then have exploded into an order to sell. The American Minister knew he was dealing with a man guided by such an implacable hatred of England, that when he was not fighting her openly, he was plotting against her secretly ; that his one purpose, his one hope, his great ambition, was her conquest. In his argument, therefore, Livingston dangled before him a picture to feed his hatred -- a picture of Trinidad and Louisiana forming a base from which England might drive Spain from Florida, command the islands of the Gulf, and receive into its ports the riches of the West Indies and the treasures of Mexico. Thus, Livingston's presence becomes a great factor in the sale. It took six months to communicate with the L^nited States, but only six days to do business with the man who was pressing the sale upon him. If more time had elapsed, the sudden decision might have been changed with equal suddenness, for Napoleon, aside from his inconstancy, had cause to shrink from his intended action.