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
German-speaking Community of Belgium in the border region next to the Grand Duchy of Luxembourg speak Luxembourgish, a West Central German language, they are not considered part of the German-speaking Community. The German-speaking Community of Belgium is composed of the German-speaking parts of the lands that were annexed in 1920 from Germany. In addition, in contemporary Belgium there are also some other areas where German is or has been spoken (the difference line between German, Dutch, Luxembourgish and Limburgish is very slight since they are all part of the same dialect continuum) that belonged to Belgium even before 1920, but they are not currently