Methuen Treaty would become a new theater of war. Finally, it regulated the establishment of trade relations, especially between England and Portugal. Until 1703 the Grand Alliance had never established any formal war aims. The Methuen Treaties changed this as it confirmed that the alliance would try to secure the entire Spanish Empire for Charles of Austria, the Habsburg claimant to the Spanish thrones. The first treaty also established the numbers of troops the various countries would provide to fight the campaign in Spain. The Portuguese also insisted that Archduke Charles would come to Portugal to lead the forces in order to
Boundary Treaty of 1881 between Chile and Argentina that older boundary treaties became obsolete and both countries agreed to submit any future disputes to the decision of a friendly third country. The law of the sea at the time of the 1881 treaty was different from the articles of the 1982 Law of the Sea, which meant that Chile and Argentina adhered to the accepted practice of a three nautical mile territorial sea. Therefore, the treaty emphasized the delineation of land boundaries including islands but did not stipulate the offshore limits, which have since been expanded to . According to the Argentine view of the treaty, called the