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
Dutch in Belgium displaced by French as an everyday language. Belgian-Dutch is the variant of the Dutch language as used in Belgium, and differs from Standard Dutch by an accent and some typical word choices. The most spoken Dutch dialects in Belgium are West Flemish, East Flemish, Brabantian and Limburgish. Although the Brabant dialect of the Brussels working-class neighborhoods, in particular the Marolles, with their population has virtually disappeared, linguistic variants exist in a diminishing degree in which an influence of the Brabant can be discerned. The position of Dutch in Belgium has improved considerably over the past 50 years at the expense