What does "the horror" mean in Conrad's "Heart of Darkness"?

Question

In Conrad's heart of Darkness, Kurtz final words, as they sail on the Congo, symbolizes what aspects of the West's impact on native civilization. What was Kurtz saying about his own life?

Answer 1

"The horror" indicates what the West did under colonization in the name of progress and under the falsehood of civilizing the natives. Darkness prevails, when he dies. It symbolizes his actions were evil. Thus, it is Kurtz's realization about bitter and absolute truth of his life.