Europe in Poland accelerated the collapse of the Eastern bloc and the end of the Cold War. Germany was reunited, after the symbolic fall of the Berlin Wall in 1989, and the maps of Central and Eastern Europe were redrawn once more. European integration also grew after World War II. The Treaty of Rome in 1957 established the European Economic Community between six Western European states with the goal of a unified economic policy and common market. In 1967 the EEC, European Coal and Steel Community and Euratom formed the European Community, which in 1993 became the European Union. The EU
Statistical Classification of Economic Activities in the European Community systems: NACE uses four hierarchical levels: The first four digits of the code, which is the first four levels of the classification system, are the same in all European countries. National implementations may introduce additional levels. The fifth digit might vary from country to country and further digits are sometimes placed by suppliers of databases. The 21 Level 1 codes are: For a full list of NACE Codes, please refer to: Statistical Classification of Economic Activities in the European Community The Statistical Classification of Economic Activities in the European Community, commonly referred to as NACE (for the French term ""nomenclature