Our paper will focus on three aspects. The first one will present a historical perspective on CAP around the question” is CAP a successful story?” The second aspect will focus on the issue regarding what it means, from CAP point of view, the enlargement process. The last aspect will try to reveal the fact that CAP is a sensitive matter for both East Europeans countries and old members, but the costs are mainly for the East countries. We would like to exemplify what does it means CAP for Romanian agriculture.