IntroductionThe phenomenon of global interdependence began to be widely observed, not without surprise, in the early 1970s of the 20th century, when he was there long before the beginnings. from the colonial era. Global interdependence as well as the process of European integration began in the economic field and, to a certain extent, still exist mainly at the level of economic cooperation. It is well known that the role of the European Union as an international actor has increased, but it must be admitted that Europe is no longer at the center of international attention. The emergence of a financial crisis in the United States revealed many problems for which the EU was not prepared. However, he had no choice but to face it and either fail or succeed. Global interdependence has proven to be greater than the EU expected, proving that the contemporary world is essentially multipolar. Major results and challenges for the EU in the post-crisis period One of the EU's biggest successes before the recession was the enlargements of 2004 and 2007. This phenomenon, although some consider it too bold and provoking a a sort of “economic indigestion” in the EU, is a good example of management. The economic catch-up in the new Member States has also been a great success, although the financial crisis will surely delay the next enlargements. Furthermore, it must be admitted that the existence of the Eurozone has protected the integrity and the single market of the EU, to the extent that it has avoided monetary turbulence. Thus, countries like Denmark and Poland are increasing their interest in joining the Eurozone. As Roger Liddle points out, it is even believed that low inflation in the Eurozone can actually pull the world out of recession, so maintain...... middle of paper ...... Roger Liddle, Policy Network, London 2009.2. European Law Enforcement Agency: http://www.europol.europa.eu/3. Russia strikes oil deal with Ukraine, easing EU fears, Reuters reports, http://wiadomosci.onet.pl/2102461,10,item.html4. Global Center for Interdependence: http://www.interdependence.org/5. Organization for Economic Co-operation and Development (OECD), Economic Survey of the European Union 2009: Policies to overcome the crisis: http://www.oecd.org/document/7/0,3343,en_2649_34111_43711047_1_1_1_1,00.html6. Saving the European project: legitimacy, governance and security of the EU, ed. Olaf Cramme, Policy Network, London 2009.7. European Union Judicial Cooperation Unit: http://www.eurojust.europa.eu/8. Tsoukalis Loukas, Cramme Olaf, Liddle Roger, An EU “fit for purpose” in the era of globalization. Can we meet the challenge?, Policy Network, London 2009.