Complex sentence: He reportedly became disillusioned with Imperialism, after witnessing the cruelty and corruption perpetrated by the European companies in the area and the novella's main narrator, Charles Marlow, is believed to have been based upon the author.
Split into simpler sentences: He reportedly became disillusioned with Imperialism, after witnessing the cruelty and corruption perpetrated by the European companies in the area. The novella's main narrator, Charles Marlow, is believed to have been based upon the author.