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
Convention Between Great Britain and China Respecting Tibet Convention Between Great Britain and China Respecting Tibet The Convention Between Great Britain and China Respecting Tibet was a treaty signed between the Qing dynasty and the British Empire in 1906, which reaffirmed the Chinese possession of Tibet after the British expedition to Tibet in 1903-1904. The British, for a fee from the Qing court, also agreed "not to annex Tibetan territory or to interfere in the administration of Tibet", while China engaged "not to permit any other foreign state to interfere with the territory or internal administration of Tibet". This Convention succeeded the Treaty of Lhasa signed between Tibet