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
Languages of Belgium all of the inhabitants of the Capital region speak French as either their primary language (50%) or as a lingua franca (45%). There are also many Flemish people who speak French as a second language. Belgian French is in most respects identical to standard, Parisian French, but differs in some points of vocabulary, pronunciation, and semantics. German is the least prevalent official language in Belgium, spoken natively by less than 1% of the population. The German-speaking Community of Belgium numbers 77,000, residing in an area of Belgium that was ceded by the former German Empire as part of the Treaty