" A world in which the seizure and sale of a black man—even a black child—was viewed as neither criminal nor extraordinary had reemerged. Millions of blacks lived in that shadow—as forced laborers or their family members, or African Americans in terror of the system’s caprice. The practice would not fully recede from their lives until the dawn of World War II, when profound global forces began to touch the lives of black Americans for the first time since the era of the international abolition movement a century earlier, prior to the Civil War. "

― Douglas A. Blackmon , Slavery by Another Name: The Re-Enslavement of Black Americans from the Civil War to World War II