Final answer:
Mr. Hopkins was replaced by Mr. Gore because he lacked the necessary severity to suit Colonel Lloyd. Mr. Gore possessed all the traits of character required to be a first-rate overseer.
Step-by-step explanation:
Mr. Hopkins was replaced by Mr. Gore as overseer because he lacked the necessary severity to suit Colonel Lloyd. Mr. Gore, on the other hand, possessed all the traits of character required to be a first-rate overseer. He had previously served as an overseer on one of the out-farms and had proven himself worthy of the position at the home plantation.