In a famous 1837 speech, South Carolina Senator John C. Calhoun defended slavery as a..
A. "necessary evil."
B. "military necessity."
C. "national birthright."
D. "positive good."
Answer: D
Explanation: In an 1837 speech before the U.S. Senate, South Carolina Senator John C. Calhoun defended slavery as a positive good. Unlike others who characterized slavery as a necessary evil. Calhoun argued that the institution served to civilize and nurture African Americans who could not take care of themselves.