歐洲協調
Nineteenth-century British foreign policy was characterised by a reluctance to enter into permanent alliances with other Great Powers. Often assumed to apply only to the latter part of the century, some historians argue it originated after the 1822 Congress of Verona, when Britain withdrew from the post-1815 Concert of Europe, guided by Foreign Minister George Canning. His principles dominated British foreign policy for decades, and have been summarised as follows;