目80年代末以来，西欧政局进入了一个分化和重组的动荡时期。苏东剧变的强烈政治冲击波不仅摧毁了许多国家的共产党，而且也在很大程度上削弱了社会民主党的力量和影响，西欧一度出现了右翼势力膨胀和“左翼衰落”的发展趋势。在80年代末和90年代初的一系列选举中，社会民主党 Since the late 1980s, Western European politics has entered a turbulent period of polarization and restructuring. The violent political shock wave of the drastic changes in the East and the East not only destroyed the Communist parties in many countries, but also weakened the power and influence of the Social-Democrats to a large extent. In Western Europe, there was a trend of expansion of the right-wing forces and “left-wing decline”. In a series of elections in the late 1980s and early 1990s, the Social Democrats