十九世纪六十——七十年代先后建立的德国社会民主党、法国工人党和美国社会主义工人党是当时欧美三个有不同程度影响的工人政党。这三个党经历过严重的斗争,程度不同地犯过不少错误,有的党的部分领导人还堕落为机会主义者和修正主义者。因此,人们对这三个党在历史上是不是无产阶级性质的党提出了疑问。那未,到底应该怎样认识这三个党的性质呢?我们认为,尽管 The German Social Democrats, the French Workers Party and the American Socialist Workers ’Party, which were founded in the 1960s and 1970s, were the three workers’ parties with varying degrees of influence in Europe and the United States at that time. All three parties have experienced serious struggles and made many mistakes to varying degrees. Some party leaders have also fallen into opportunists and revisionists. Therefore, questions have been raised about those parties that historically were not of a proletarian nature. How can we understand the nature of these three parties in the end? In our opinion, though