Which series of 1713 peace treaties ceded Gibraltar and Minorca to Britain?
Lines of Contravallation of Gibraltar to the territory by land. The lines covered a distance of 950 toises () and were built 1,000 toises () from the Rock of Gibraltar, where the British defences began. This sparked a diplomatic dispute between Britain and Spain. During the negotiations that led to the Treaty of Utrecht of 1713, under which Spain ceded Gibraltar to Britain, the British government sought to compel the Spanish to cede "a convenient quantity of land round Gibraltar, viz., to the distance of two cannon shot ... which is absolutely necessary for preventing all occasions of dispute between the Garrison and the Country
History of Gibraltar signed on 13 July 1713 and brought together a number of sub-treaties and agreements, Philip V was accepted by Britain and Austria as King of Spain in exchange for guarantees that the crowns of France and Spain would not be unified. Various territorial exchanges were agreed: although Philip V retained the Spanish overseas empire, he ceded the Southern Netherlands, Naples, Milan, and Sardinia to Austria; Sicily and some Milanese lands to Savoy; and Gibraltar and Menorca to Great Britain. In addition he granted the British the exclusive right to non-Spanish slave trading in Spanish America for thirty years, the so-called