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
History of the Dutch language language are Belgium, the Netherlands, Suriname, Aruba and Curacao. Within the Indo-European language tree, Dutch is grouped within the Germanic languages, which means it shares a common ancestor with languages such as English, German, and Scandinavian languages. This common, but not direct, ancestor (proto-language) of all contemporary Germanic languages is called "Proto-Germanic", commonly assumed to have originated in approximately the mid-1st millennium BC in Iron Age northern Europe. All Germanic languages are united by subjection to the sound shifts of Grimm's law and Verner's law which originated Proto-Germanic. These two laws define the basic differentiating features of Germanic languages that