Webin a masterpiece of historical detective work, sarah lewis exposes one of the most damaging lies in american history. There was a time when americans were confronted. Webgroundbreaking and profoundly resonant, the unseen truth shows how visual tactics have long secured our regime of racial hierarchy in spite of its false foundations—and. Webthe unseen truth shows how visual tactics have long secured our regime of racial hierarchy in spite of its false foundations—and offers a way to begin to dismantle it.