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 between Thailand and Japan (1940) common concern. Article 3 stipulated that if a party was under attack by a third party, the other party would not lend any assistance to the attacking third party. Article 4 provided for the ratification of the treaty. Article 5 stipulated the treaty would remain in force for five years, with the possibility to extend it further. The growing co-operation between the Thai and the Japanese governments in the wake of the treaty led the Thais to wage a brief and successful war against French Indochina in 1940-1941, which resulted in some territorial conquests for Thailand with Japanese assistance. In