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
Treaty of Gulistan for the Persians and used this to strengthen their foreign affairs. Using their new-found diplomatic connections with the British, Persia established the Treaty of Defensive Alliance in 1812. This promised that Britain would “offer a defensive alliance against further Russian encroachments”. It essentially had terms stating that Persia would provide defense against any European army from entering India (which stationed a majority of British troops) and in return, Britain would provide military and financial aid in case of another Russian attack. The treaty did not answer vital questions such as whether the Persian army would be disarmed or be able