Choices: (A). No. (B). Yes.

I am verifying the answers generated by an automatic system to the following question: when slavery abolished Suggested answer: While some slaves worked as house servants and urban artisans, the great majority worked on plantations or large farms, cultivating lucrative cash crops, such as rice, tobacco, sugar and, after 1800, chiefly cotton. Should I validate this answer?
Answer:
(A).