This book will be a major comparative study of foreign policies of the new EU member states after the May 2004 enlargement. Using the case studies from all 12 new member states, which joined the EU in the 2004 and 2007enlargement rounds, it examines the impact of EU integration and membership on the foreign policies of the new EU's entrants. Among scholars of European politics there is a general consensus that membership in the European Union (EU) changes things in the countries that join it. What exactly changes, to what extent, and how or why these changes happen are all questions that are the subject of considerable debate within the broad field of "Europeanization" studies, along with the question of why some countries, policies, and institutions change more than others. Addressing these questions, this book examines the impact of EU integration and membership on the foreign policies of the 12 new EU entrants since 2004: Poland, the Czech Republic, Hungary, Slovakia, Slovenia, Estonia, Latvia, Lithuania, Cyprus, Malta, Bulgaria and Romania. The New Member States and the European Unionwill be of interest to students and scholars of European Studies and European Union Politics.