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
Limburg (Netherlands) of the new province. When the Catholic and French-speaking Belgians split away from the mainly Calvinist northern Netherlands in the Belgian Revolution of 1830, the Province of Limburg was at first almost entirely under Belgian rule. However, by the 1839 Treaty of London, the province was divided in two, with the eastern part going to the Netherlands and the western part to Belgium, a division that remains today. With the Treaty of London, what is now the Belgian Province of Luxembourg was handed over to Belgium and removed from the German Confederation. To appease Prussia, which had also lost access