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
Belgium in World War I Belgium also received a small slice of territory in the east of the country (known as Eupen-Malmedy) from Germany, which remains part of the country to this day. Its demands for a slice of Zeeland in the Netherlands (which had remained neutral during the conflict), were rejected and led to ill-will. Britain was willing to guarantee Belgian borders only if it committed to neutrality, which Albert rejected. Instead, Belgium became a junior partner with France in an occupation of part of Germany under a 1920 Treaty. As outlined in the Treaty of Versailles, Belgium was also given a League of