Between 1525 and 1866, 12.5 million people were kidnapped from Africa and sent to the Americas through the transatlantic slave trade. Only 10.7 million survived the harrowing two month journey. Comprehending the sheer scale of this forced migration—and slavery’s subsequent spread across the country via interregional trade—can be a daunting task, but as historian Leslie Harris told Smithsonian’s Amy Crawford earlier this year, framing “these big concepts in terms of individual lives … can [help you] better understand what these things mean.”