“Historical reference used to describe modern voter disenfranchisement efforts.”

“Historical laws in the U.S. used as an analogy to illustrate past struggles with accommodating new social categories.”

“Historical period referenced in relation to Roy Wood Jr.'s mother's experiences in Mississippi.”

“Era Thomas Sowell was born into; later discussed in the context of the Civil Rights Movement.”

“Cited as part of the post-Civil War struggle over the true story of America.”