第二国际成立之初,由于受到恩格斯的关怀和指导,对推动国际工人运动的发展作出过贡献。然而,随着形势的变化和资产阶级策略的改变,机会主义、修正主义逐步滋长、蔓延,终于导致了它的破产。正是在第 Since the founding of the Second International, due to the concern and guidance of Engels, it has contributed to the promotion of the international workers’ movement. However, as the situation changes and the bourgeois strategy changes, the gradual growth and spread of opportunism and revisionism finally led to its bankruptcy. It is in the first