Foreign relations of the Netherlands context of the Western European Union and the European Security and Defence Policy of the EU – and bilaterally, as in the German-Netherlands Corps. In recent years, the Dutch have become significant contributors to UN peacekeeping efforts around the world as well as to the Stabililzation Force in Bosnia and Herzegovina (SFOR) in Bosnia. The Dutch have been strong advocates of European integration, and most aspects of their foreign, economic, and trade policies are coordinated through the European Union (EU). The Dutch postwar customs union with Belgium and Luxembourg (the Benelux group) paved the way for the formation of the
William III of the Netherlands In the first two decades of his reign, he dismissed several cabinets and disbanded the States-General several times, installing royal cabinets which ruled as long as there was support in the elected second chamber of parliament. In what became known as the "Luxembourg Coup of 1856", William unilaterally instituted a new, reactionary constitution for Luxembourg, which he ruled personally, separate from the Netherlands crown. In 1867, France offered to buy Luxembourg, leading to the Luxembourg Crisis, which almost precipitated war between Prussia and France. However, the subsequent Second Treaty of London re-established Luxembourg as a fully independent country. During his