Methuen Treaty ensure full allied commitment to the war in Spain. The second treaty, signed 27 December 1703 (popularly known as the "Port Wine Treaty") helped to establish trading relations between England and Portugal. The terms of it allowed English woollen cloth to be admitted into Portugal free of duty; in return, Portuguese wines imported into England would be subject to a third less duty than wines imported from France. This was particularly important in helping the development of the port industry. As England was at war with France, it became increasingly difficult to acquire wine, and so port started to become
Commercial treaty legislation of the 18th century. In that year Pitt concluded a commercial treaty with France, providing for large reductions of duties in both countries. But the treaty was swept away with the outbreak of the wars with France, and accordingly the old system was still in force in 1815. The first important step, and in some respects the decisive step, towards modifying it was taken in 1824, under the policy of Huskisson. In that year, and again in 1825, great reductions were made in the duties on raw materials, especially on wool, raw silk, flax and iron, while considerable reductions