Methuen Treaty the Portuguese to cover their deficit for a time with a colonial gold flow, but the benefits of specialization and trade over the longer term were illusive." The Kingdom of Ireland imported Portuguese wine at the low Methuen tariffs, but was banned under the Navigation Acts from exporting. In 1779, Ireland was granted "free trade", but Portugal imposed higher tariffs on Irish textile imports than on English ones, arguing it was outside the terms of the Methuen treaty. This was a tactic in Portugal's broader attempt to make Britain renegotiate the Methuen treaty. As the dispute dragged on, Ireland imposed
Nepal–Britain Treaty of 1923 as a fully sovereign nation. In 1921, when the Prince of Wales, later Edward VIII, came to Kathmandu, Chandra Shumsher raised the question of formulating a new peace treaty between Nepal and Britain. The treaty was discussed by the British authorities in Kathmandu, Nepal and London for more than a year before the final treaty was signed, 21 December 1923, in Singha Durbar, Kathmandu. The terms of the 1923 Nepal Britain Treaty were: "1) Nepal and Britain will forever maintain peace and mutual friendship and respect each other's internal and external independence. "2) All previous treaties, agreements and engagements, since