International relations, 1648–1814 and cultural achievement. Historian Frederick Nussbaum says it was: The worst came during the Thirty Years' War, 1618–1648, which had an extremely negative impact on the civilian population of Germany and surrounding areas, with massive loss of life and disruption of the economy and society. Scholars taking a "realist" perspective on wars and diplomacy have emphasized the Peace of Westphalia (1648) as a dividing line. It ended the Thirty Years War (1618–1648), where religion and ideology had been powerful motivating forces for warfare. Westphalia, in the realist view, ushered in a new international system of sovereign states of roughly equal
Treaty of Madrid (1670) Treaty of Madrid (1670) The Treaty of Madrid (also known as the Godolphin Treaty) adopted in July 1670 was a treaty between England and Spain 'for the settlement of all disputes in America '.<ref name="SP 108/470"></ref> The treaty officially ended the war begun in 1654 in the Caribbean, in which England had conquered Jamaica. The treaty was highly favourable to England, as its ownership of territories in the Caribbean Sea was confirmed by Spain. The Anglo-Spanish war had begun in late 1654; in Europe the conflict ended with the Treaty of the Pyrenees (between France and Spain) and Charles II's