Belgium–France border provinces of West Flanders (Flemish Region) and Hainaut, Namur and Luxembourg (Walloon Region). The French side of the border is shared by, from north to south, the departments of Nord and Aisne (region of Hauts-de-France) and Ardennes, Meuse and Meurthe-et-Moselle (region of Grand Est). Belgium–France border The <dfn>Belgium–France border</dfn> separates France and Belgium countries and is 620 km long. Part of it is defined by the Leie river. The western end is at the North Sea ( near De Panne and Bray-Dunes). The eastern end is at the Belgium–France–Luxembourg tripoint (at near Athus and Mont-Saint-Martin). The straight distance between these
Developed country Terms linked to the concept "developed country" include "advanced country", "industrialized country", "'more developed country" (MDC), "more economically developed country" (MEDC), "Global North country", "first world country", and "post-industrial country". The term industrialized country may be somewhat ambiguous, as industrialization is an ongoing process that is hard to define. The first industrialized country was the United Kingdom, followed by Belgium. Later it spread further to Germany, United States, France and other Western European countries. According to some economists such as Jeffrey Sachs, however, the current divide between the developed and developing world is largely a phenomenon of the 20th century.