Methuen Treaty higher tariffs on Portuguese goods, and the Irish Volunteers' 1782 Dungannon resolutions included calls for a boycott of its wines. The 1786 Eden Agreement between Britain and France caused Portugal to relent in 1787 and allow Ireland low tariffs. Methuen Treaty The Methuen Treaty was a military and commercial treaty between England and Portugal that was signed in 1703 as part of the War of the Spanish Succession. The treaty stipulated that no tax higher than the tax charged for an equal amount of French wines could be charged for Portuguese wines "(but see below)" exported to England, and that
Treaty of Alliance (1778) insurance policy for France which guaranteed the support of the United States if Britain were to break the current peace they had with the French, "either by direct hostilities, or by (hindering) her commerce and navigation," as a result of the signing of the Treaty of Amity and Commerce. The treaty lays out the terms and conditions of this military alliance, establishes requirements for the signing of future peace treaties to end hostilities with the British, and provides a secret clause which leaves open the possibility of Spain and other European nations, "who may have received injuries from England," to