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
History of France of the continent, including France, to be drawn into war within a few short weeks. Austria-Hungary declared war on Serbia in late July, triggering Russian mobilization. On 1 August both Germany and France ordered mobilization. Germany was much better prepared militarily than any of the other countries involved, including France. The German Empire, as an ally of Austria, declared war on Russia. France was allied with Russia and so was ready to commit to war against the German Empire. On 3 August Germany declared war on France, and sent its armies through neutral Belgium. Britain entered the war on 4