France–Germany relations side deals; it created a customs union and established the rules needed to make the competition mechanism work properly. As a sequence of this, booming European economies, fired by Germany, led to the formation of the new customs union known as the European Economic Community (EEC). But it did not go well as the organization of Europe, because only the members of the coal and steel community 'ECSC' (" the six": Belgium, France, Italy, Luxembourg, the Netherlands and West Germany) joined the EEC. Seven of the remaining nations belonging to the Organization of European Economic Cooperation (OEEC) which administered the
Military Administration in Belgium and Northern France to ensure its good behavior. The Military Administration formed the core of a wider command structure which allowed the governance of occupied Belgium. It could rely on both military and civilian components: Military Administration in Belgium and Northern France The Military Administration in Belgium and Northern France () was an interim occupation authority established during the Second World War by Nazi Germany that included present-day Belgium and the French departments of Nord and Pas-de-Calais. The administration was also responsible for governing the "zone interdite", a narrow strip of territory running along the French northern and eastern borders. It remained in