Economy of Belgium increased unemployment, stemming from the worldwide banking crisis. For 50 years through World War II, French-speaking Wallonia was a technically advanced, industrial region, with its industry concentrated along the sillon industriel, while Dutch-speaking Flanders was predominantly agricultural with some industry, mainly processing agricultural products and textiles. This disparity began to fade during the interwar period. When Belgium emerged from World War II with its industrial infrastructure relatively undamaged thanks to the Galopin doctrine, the stage was set for a period of rapid development, particularly in Flanders. The postwar boom years, enhanced by the establishment of the European Union and NATO
Terminology of the Low Countries English. Many languages however, do have a cognate or calque derived from the Dutch adjective "Nederlands": Toponyms: The Low Countries () refers to the historical region "de Nederlanden": those principalities located on and near the mostly low-lying land around the Rhine–Meuse–Scheldt delta. That region corresponds to all of the Netherlands, Belgium and Luxembourg, forming the Benelux. The name "Benelux" is formed from joining the first two or three letters of each country's name Belgium, Netherlands and Luxembourg. It was first used to name the customs agreement that initiated the union (signed in 1944) and is now used more generally to