十九世紀末二十世紀初,世界資本主义进入帝国主义时代,即資本主义的垄断阶段。在这个阶段,出現了一些新的現象。經济方面的基本現象就是資本主义的自由竞爭为資本主义的垄断所代替。馬克思、思格斯都沒有活到这个时代,他們不可能对这个阶段作具体的分析。修正主义者考茨基之流,竭力利用当时所出現的新現象,提出“超帝国主义”的 From the late nineteenth century to the early twentieth century, world capitalism entered the era of imperialism, the monopoly phase of capitalism. At this stage, some new phenomena have emerged. The basic economic phenomenon is that the free competition of capitalism is replaced by the monopoly of capitalism. Neither Marx nor Sir Geest lived in this era, and they can not make a concrete analysis of this stage. The flow of revisionist Kautsky tried his utmost to make use of the new phenomenon that emerged at the time to propose “ultra-imperialist”