Commercial treaty till the middle of the century, apparently with irresistible support, they suddenly collapsed under the strain of a season of exceptionally short crops. Both their continued maintenance and their final sudden abolition are in some respects divergent from the general course of British tariff history. Commercial treaty A commercial treaty is a formal agreement between states for the purpose of establishing mutual rights and regulating conditions of trade. It is a bilateral act whereby definite arrangements are entered into by each contracting party towards the other—not mere concessions. For example, the Methuen Treaty was a commercial treaty between Portugal and
Burney Treaty Burney Treaty The treaty between Kingdom of Siam and the United Kingdom of Great Britain and Ireland commonly known as the Burney Treaty was signed at Bangkok on 20 June 1826 by Henry Burney, an agent of British East India Company, for the United Kingdom, and King Rama III for Siam. It followed an earlier treaty of 24 February 1826, in which Siam became an ally of Britain against the Kingdom of Ava (Burma), with which Britain was at war. A Siamese army was raised and equipped, but took no serious part in the war due to ill-feeling and suspicion