It malfunctioned after meeting with the African tribes.
The writer use this moment to intensify the plot of the stories. The boat was suddenly malfunctioned when he is being chased by the members of African Tribes while trying to safe Kurtz who is even too sick to help him in escaping the chase.
The continent that has those degrees are.... Asia
Being able to do whatever you want to and never having to go to school. I hope this helps!!
