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
Treaty of London (1827) independence of Greece, Turkey was forced by the Treaty to give the Danube Delta and its islands, and a considerable portion of the Black Sea south of the Kuban estuary over to Russia. Because of these new territorial arrangements and the other articles contained in the treaty, Britain and the other European powers came to regard the Treaty of Adrianople as infringing on the promises that Russia had made in the Treaty of 1827. Treaty of London (1827) The Treaty of London was signed by the United Kingdom, France, and Russia on 6 July 1827. The three main European powers