What is one of the faults of imperialism that becomes clear in Heart of
Darkness?

One of the faults of imperialism that becomes clear in the “Heart of Darkness” is that the colonist activities are largely ineffective. The “Heart of Darkness” is a novel written by Joseph Conrad in 1889. It refers to a trip in the Congo River to the independent state of Congo in what is known as the heart of Africa.

i think its d, but grammarly says none

explanation:

cockroaches and rats often are a symbol for things that are disgusting or vile. though i don't know which play you are talking about, i hope this !