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
Bulgaria–Germany treaty (1915) any country." Bulgaria agreed to help Germany with its whole army in case "Germany is attacked without reason by a country bordering with Bulgaria." This treaty along with the Secret Bulgarian-German agreement, the Military convention between Germany, Austria-Hungary and Bulgaria and the Bulgarian-Turkish convention also signed on 6 September allied Bulgaria with the Central Powers in World War I. The treaty was for 5 years and was to be secret until the official entering of Bulgaria in the war. Bulgaria–Germany treaty (1915) The Treaty for friendship and alliance between Bulgaria and Germany was a military treaty signed on 6 September