Paul Methuen (diplomat) gained valuable diplomatic experience and the esteem of King Pedro. During two absences of his father he became chargé d'affaires, rising to Minister on his father's appointment as Lord Chancellor of Ireland in 1697. He was unable to prevent a Portuguese-French alliance in 1701. When his father returned to Portugal a special envoy in 1702, they were successful in breaking the alliance in 1703. The led to the Methuen commercial treaty between England and Portugal, the basis of Britain's monopoly of Portuguese trade for much of the 18th century. His father remained in Portugal as ambassador. In 1705, Methuen served
Treaty of Tumlong of the World. At the same time, he ensured that no other community would be able to purchase lands from the Bhutias and the indigenous Lepchas to protect feudal integrity. China recognised Sikkim as a British protectorate in 1890 and the Chogyal's role in the administration of his country disappeared. Treaty of Tumlong The Treaty of Tumlong was a March 1861 treaty between Great Britain and the Kingdom of Sikkim in present-day north India. Signed by Sir Ashley Eden on behalf of the British and Sikkimese Chogyal, Sidkeong Namgyal, the treaty secured protection for travellers to Sikkim and guaranteed free