Today, Croatia officially became the 28th member state of the European Union. It is the second former Yugaslav republic to join the EU, after Slovenia in 2004, and Croatia promises to encourage other Balkan states to do the same. To demonstrate the transition, Croatian officials removed customs posts with Slovenia and Hungary, providing a material representation of Croatia's union with those countries. How will Croatia's admittance into the European Union affect the historically tumultuous Balkans region? What would happen if more Balkan states followed Slovenia's and Croatia's footsteps? How will the inclusion of a war-torn nation affect the already financially-struggling European Union?