He wanted control of the New Orleans Port because it was vital for trade from north to south and vice versa.
He was sent to Seville, Spain to manage some business affairs of the Medici family.
One thing that <span> Commodore Matthew Perry's visits to Japan in 1853 and 1854 and the Open Door policy of 1900 had in common was that they were both meant to put international pressure on foreign nations--with the intent of opening up advantageous trade routes and relationships for the United States. </span>