Answer: A) The phrase "undoubted right of dominion" reveals that Crusoe is preoccupied with mastery.
Explanation: In the given excerpt from "The Adventures of Robinson Crusoe" we can see Crusoe reflexiones about the similarities he has with a king, because he own the whole country, and he allowed his people to be of different religions and beliefs, by saying that he has the "undoubted right of dominion" over his land, he demonstrates his preoccupation with mastery.
Baldwin talks of a "disease" which afflicts black Americans and can wreck race relations and creating a "rage in the blood" so he is using the "disease" as a metaphor for probably the rage that black Americans have for experiencing the inequalities of life in the US especially in the 1960's when the civil rights movement was so strong and segregation was so strongly practiced in the South still.