The settlements at Tilsit gave Napoleon time to organize his empire. One of his major objectives became enforcing the Continental System against <answer>the British</answer>. He decided to focus his attention on the Kingdom of Portugal, which consistently violated his trade prohibitions. After defeat in the War of the Oranges in 1801, Portugal adopted a double-sided policy. At first, John VI agreed to close his ports to British trade. The situation changed dramatically after the Franco-Spanish defeat at Trafalgar; John grew bolder and officially resumed diplomatic and trade relations with Britain.
One of Napoleon's primary goals was to enforce the Continental System against whom?
the British