Relations between blacks and whites changed from the antebellum (before the Civil War) South to the Jim Crow era. Which statement accurately describes these changes?

(A.) Whites and blacks had never mingled in the antebellum South but were free to do so under Jim Crow.

(B.) Under Jim Crow, whites were forced to open their hotels and restaurants to black customers.

(C.) In the South, laws of the Jim Crow era made no reference to differences between the races.

(D.) In the antebellum South, slaves and their owners often had close ties; under Jim Crow blacks and whites were kept apart.

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